{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x08ece7dbce5a66f8badf4812f948d6cc17220957e4b36314e30847a274d90518",
    "signature": "0x1aedefd2a93c9f6144e5536589a749c27e3a6e4ed403099d153ad5babd8c760b402e89354a85eb8d73744a06eb15de0339abc50b9dd9f96efb20534fd93f125c1c",
    "signer": "0x460db97ec424b3afa2d1b30300E2cF0b1F8A21d0",
    "userId": "284025823"
  }
}