{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd9256c5fbced7be1e1274828c9c9af80323ba5dc5961763147695196cc182327",
    "signature": "0xf7d62c954015637f2d0ac4ad38dbc109d240bf568ef02cd7191cb206a2c954153b679c9dedee279008faee30ebfb06815f5098b5e9d2cafc9187086cd6d5e7231b",
    "signer": "0xbe7E1709617aF8d5dE7f13dF1dc5343CC5b6C77E",
    "userId": "579040376"
  }
}