{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61853",
    "entityType": "User",
    "nonce": "0xfced489151e9d88a2b76b22aa242c17a22530045b65d656a3a072a8838fb43f7",
    "signature": "0x508102ab7bacda1a9c2a8d11f86dba62d1dff993c228df6e4deaccb377073b6e744d1067dea5425da19885c517906fbae6705c98bf4726e9e677a51d047260651c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}