{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970570438",
    "entityType": "User",
    "nonce": "0x4abff82e92c7a5cf1efc7de19e8b3189f335d452a58544465302617e836f7e93",
    "signature": "0x4da2863c6ecd9eea063259c89df5f21ec729d5c617b24cd2a4313f1f674db3ea218a34c93fb4e94474d908a98ae830d9f7a18add4eb2b9ba5038bac8235251631c",
    "signer": "0xca9222f1aedE81bB652753be5E233B18473E61E5",
    "userId": "9780"
  }
}