{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "789943876",
    "entityType": "User",
    "nonce": "0x02d628e1e8dcc2164134df3de1420d2bfd7877ecdb52d4c846b74c487d9e49ed",
    "signature": "0x56040de4e35e6842210ea87397efe6a7ce54f353ec58967db6a836a179f04bce562052fc75073949c72532f0159eef3ed634378c54bb0155149923fca4da65e71b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}