{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53757",
    "entityType": "User",
    "nonce": "0xf274ba1c618ceabd0b1ab20b0b2e9ec4ff17ef640c71b28e1900e0381e7549ae",
    "signature": "0xdaa0c46b82516d2c35a2cf1fe55df42bda129946af186110c5987da3d5d1dec65207413587f09c8efa650deab9a6c354070e6dc012b6a990b38de6568b091e4c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}