{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239519",
    "entityType": "User",
    "nonce": "0x38824da86165afe8cd2a5c381068a9f10f4e1e3b59e23e229e960f1062137067",
    "signature": "0x62236e98dc3d5a8e601540499763c98a1d1b46eaa77498ad7b3a56704c178ef87c513c81e67d75785849fff994c118e85f84a912d3f3736c9f29913e0c6512e91b",
    "signer": "0x3B72fa667D52755CcB53B3815f3be52AD038A577",
    "userId": "211024156"
  }
}