{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35d6b9880af9c3a059121d6cadba8184c7e1bf00c9d2f07765f3e7dcba7d2725",
    "signature": "0xf07ee489180a357f53e6d95fd0e40e83ece0163c8ff16256db02ae288d5befc36ef15252ffd4b1f740f655a6332c3e7e951a37f012eb70189a156060989db2251c",
    "signer": "0x56c986DB4796DAcef59fc3A373338aE9Da99E4Dd",
    "userId": "671730646"
  }
}