{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x62ff3ce3a56be2ef15f19349e2cc300be9ad55e5c101459c006285777af023b2",
    "signature": "0x20d883e086f40636b7c35809a268a3ac265995b6d78136012420af745758ff660f5c4d2c83a50fe0b654976e0eadeb50ac471df49ede198c7a1fbae541291f2e1c",
    "signer": "0x1bb42208903Bfbd2C21D8Bac98B8F0E6EcAF9d4F",
    "userId": "816328256"
  }
}