{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "921216594",
    "entityType": "User",
    "nonce": "0xcd55b5903b94fdd225aefbbe9653abe629b106d2e4708602e3a9f9ee96a1a71b",
    "signature": "0x006f8c173c9a1884ca0e100d5bfd193b208333504847c15b4459e8a79ea9ad7d4f3c10a57791027e89c3fff023f01844314d39490665c0a17fd754cac6947e031c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}