{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360550430",
    "entityType": "User",
    "nonce": "0xeb5420b48efe3448a5864525475fd9a4534f10e2dd4eaaec51bf18047d61f5ca",
    "signature": "0x7b0cbf8bcc2358e40a0e8e016e63f96b945e56fca0b90457309dffc782b76dae37ef8046a7ec81bc42cf8c4ecd69aeb7e3f9efedf7d0e8933477936b20f9a87e1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}