{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc116978a06e6694c118bbd33a74de5ea4e4c93ecded4a2acf2709c9c012b39d4",
    "signature": "0xde145c5fbf5b410f6b016088896439ad3841fb2ba6adeffb67b6c577e9b75eb1281ada70d26b626ad44592fc9ec670218231d2e343047b2f3a8387cf822d4dea1c",
    "signer": "0x1A8c7008a0006e8B648a5B20cdA68aB417c12935",
    "userId": "165820911"
  }
}