{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124266",
    "entityType": "User",
    "nonce": "0x30de806a516889c8922d4a43ba5b5eb571e3d242d2f2c696edfaff929a7741af",
    "signature": "0xda6f3fc6e94c29b16d4695176b66da94483b6db37e90cfd4bfdda4a397d5326e7589673ab2435cd6aec5f24f8d9aaf8547ecc62c1edf9aaf97bce52b9cb6c2ae1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}