{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894327847",
    "entityType": "User",
    "nonce": "0x6296d325bc59f70bbb0fc9d2fd3d8bb19777b8d7fcbf03a2c3f5777bfee5a86c",
    "signature": "0xe68b71b12893ffdbf8a284bb31f24867b84d71897b079b6caa817f52731079ca166cedac3a10770c3d9e6102b5b10aa53c74c78acc6fa42c9762cd37d714f6d71c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}