{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227522",
    "entityType": "User",
    "nonce": "0x1229396ba7785c4d9b7cc16a4370e2ab6d7c216400c032dd71308e1308aa8cc1",
    "signature": "0xbd9216ce842a4eaec46ac427de7e80383b94f9b2781a52f576354ce41e5adc6111d6ed1b088100ba539fa4a6bc115539ffd54b53a596185b20123cd025fd68bf1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}