{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbeda94336640e2f95edde1c7eb42e0923cdd20dcca762a500f53bd51a984d848",
    "signature": "0xe7dd32cbec07dc694c751d03daa8fe5ff30c7f966e612d73705f1ed7010a37fd0ec2e45903143a15cdd96a5e05b855e5f4a4a7129d54592c732fb28750c88a651b",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}