{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdb84f3062ebd8f1412896636e849d4830d7aef71d20db2227c69acda8ad0d9a3",
    "signature": "0xdb2f1a1036bab71935f788639adb40fd41aa01bb2b425bf720d2f958c22074e10c0f44d4a76db38409e75797c0c60667f4e5fa7e109e94d18942cfd860f097a01c",
    "signer": "0xfCB376B1FEe05c3cc58Ac51af6b5f7bd4a0dcb57",
    "userId": "676486582"
  }
}