{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x26097ab085563d53862b3d40b2c5317297fd577fd1bfb338a032192c5ff36a5f",
    "signature": "0xd2f83ce76f9ea90db79e6655061fbcd40ca8de833ec678db1b0f17b1e66d8b7611f96c07bc469a7678f342a77d8b4c20d9518a7bb3de9db8f8711811dee6a7c11c",
    "signer": "0x9dE7a1B9AE7494a162E2F5eD5AF6F7f1dB2A4460",
    "userId": "225203024"
  }
}