byte[] bytes = getFromBody;
byte[] decodeBytes = Base64.decode(bytes);
Net.TransportData data = Net.TransportData.parseFrom(decodeBytes);
Map<String, String> header = data.getHeaderMap(); //Header头，使用该Header头，而不是Http中的Header
String action = data.getAction();//action，根据此Action来unpack
Any any = data.getBody();
if(action.equals("api.push.auth")){
  ApiPushAuth.ApiPushAuthRequest request = any.unpack(ApiPushAuth.ApiPushAuthRequest.class);
}else if(action.equals("api.site.mute")){
  ApiSiteMute.ApiSiteMuteRequest  request = any.unpack(ApiSiteMute.ApiSiteMuteRequest.class);
}

Map<String, String> header =new HashMap<String, String>();
header.put("_"+Net.TransportDataHeaderKey.HeaderErrorCode_VALUE, "success");//这次请求成功还是失败
header.put("_"+Net.TransportDataHeaderKey.HeaderErrorInfo_VALUE, "");

ApiPushAuth.ApiPushAuthResponse response = ApiPushAuthResponse.newBuilder()
				.setSiteIsMute(boolean)
				.build();
        
Net.TransportData data = Net.TransportData.newBuilder()
				.setAction("api.push.auth")                 ------------->action一定要和Body中的Any.pack的类型一致！！！
				.putAllHeader(header)
				.setBody(Any.pack(response))
				.build();
byte[] bytes = Base64.encodeBase64(data.toByteArray());

输出bytes   

ApiPushAuthRequest {
    string sitePubkPem;         //站点生成的公钥Base64后的值 
    string siteAddressApi;      //站点Api地址（站点地址）
    string siteName;            //站点的名称
    string pushToken;           //push服务的token，由推送平台在客户端生成
    PushTokenType pushTokenType;  //设备类型，由服务端判断选择何种推送平台推送消息
    string devicePubkPem;         //客户端初次运行生成的公钥，可做设备唯一性校验
    string timestampSeconds;    // = string(timestamp unit: seconds)
    string signTimestampBase64;    // sign(timestampSeconds)---->客户端私钥加密后的时间
    string signSitePubkPemBase64;    // sign(sitePubkPem)--->客户端私钥加密后的站点公钥
    string siteUserId;              //用户的userId
}

message ApiPushAuthResponse {
    bool siteIsMute = 1;        //当前站点是否静音
}

enum PushTokenType {
    pushTokenInvalid   = 0;
    pushTokenIOS       = 1;
    pushTokenAndroid   = 2;
    pushTokenXiaoMi    = 3;
    pushTokenHuawei    = 4;
    pushTokenGCM       = 5;
}

message ApiPushCancelRequest {
    string sitePubkPem        = 1;   //站点公钥
    string devicePubkPem      = 2;  //设备公钥
    string timestampSeconds   = 3; //单位s
    string signTimestamp      = 4;  //客户端私钥加密后的时间
}

message ApiPushCancelResponse {}

message ApiSiteMuteRequest {
    string siteCode = 1;        //code = sha1(pubkPem) 站点公钥sha1值
    string siteUserId = 2;      //site userId
    bool isMute = 3;            //is mute value
}

message ApiSiteMuteResponse {

}

message ApiPushNotificationRequest {
    PushHeader pushHeader = 1;
    PushBody pushBody = 2;
}

message ApiPushNotificationResponse {
}

message PushHeader {
    string siteAddress = 1;
    string siteName = 2;

    string sitePubkPemId    = 3;
    string timestampSeconds = 4; // string(timestamp unit: seconds)
    string signTimestamp    = 5;
}

//support batch send
message PushBody{
    // subTitle
    // if roomId != "" && roomName != "", show the subTitle  房间name（群名称或者对方名称）可做推送的SubTitle
    string roomId   = 1;
    string roomName = 2;
    core.MessageRoomType roomType = 3;
    // Sender Info
    // if fromUserId != "" && fromUserName != "", show the sender info
    string fromUserId   = 4;
    string fromUserName = 5;
    // Content
    // if pushContent != "", use pushContent
    // else make the content from msgType.
    core.MessageType msgType = 6;
    string pushContent       = 7;  必须在站点设置选择显示消息内容，否则推送不显示内容

    // icon
    // avatar must be prefix with "http://" or "https://" 
    string iconHref = 8;

    // GotoUrl
    // if gotoUrl == "", make the url from the infomation above.
    string gotoUrl = 9;

    // pemId = sha1(pem)，因为平台这边有pem，同时不需要做sign的verify，所以传递Ids，以减少请求包大小
    repeated string toDevicePubkPemIds   = 10;  //repeated 在java中就是List

    string msgId = 11;//push message id
}

enum MessageRoomType {
    MessageRoomGroup = 0;
    MessageRoomU2    = 1;
}

enum MessageType {
    MessageInvalid = 0;
    MessageNotice  = 1;
    MessageText    = 2;
    MessageImage   = 3;
    MessageAudio   = 4;
    MessageWeb     = 5;
    MessageWebNotice = 6;
    MessageDocument = 7;
    MessageVideo = 8;
    MessageRecall = 9;

    // reverts 5-19

    // event message start
    MessageEventFriendRequest   = 20;
    MessageEventStatus          = 21;   // NoDB    -> StatusMessage
    MessageEventSyncEnd    = 22;        // NoDB    -> there's no new message in server.
}

	     小米 com.akaxin.zaly.bean.Constants 类下 MI_APP_ID  MI_APP_KEY
	     
	     华为 app Moudle下build.gradle文件下 hwpush