{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa3c679c585c778785c1555fc14322af071d9e527a3e3fac670e003404dac2d4d",
    "signature": "0x0e8dc90fa52b67409f5a9cbc48120cc2c87c5959889db41273ee62ff012f995a59603ca6a6bce9d83562ba2ecbc34a3e4c2878d1a913065cc96f1769b59b432f1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}