{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb0c81bab289994579e6d551f68006fe2d4bfa80d7faa96d0655004fd88018bd",
    "signature": "0xbfc587b208c0325272841ae922e6d525a597e81d62d633d0acdcd81beef979e974344ee059311c4ee8323252192fb1ce67f0f49c12f432e69e16a2423ec2b0cb1c",
    "signer": "0xAE8CAB10EC66c4C6F746A2EDAf09cd7B3a41f71e",
    "userId": "125076634"
  }
}