{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314606",
    "entityType": "User",
    "nonce": "0x5c79b1907fbbcd3131463b20197a17c1232a8cc84ba853634f6c6c2ceaed887c",
    "signature": "0x0f74af8fb6c588aee96fadfc5c31d67053c15d05c76524d1924431d35cc61a5723275c863d37d8693f84e312c82e365c5bfe90ba001134ec2d80222ea310d3ad1b",
    "signer": "0x2d9dE0031960aD6f53e402E622254d2AeBc7307D",
    "userId": "787599159"
  }
}