{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2c4f7057b3266ff0b7470e38794d56b7fed9b82fda4ba96a57aca72d0efd54c3",
    "signature": "0x5368222a22a46e76dd63ca775046defd2c1f97fffb8c00a619bc196b788a68b8672e0aec79d94a3e499583dfb63cd255e14aab3af1cfcde33621920e3b96279c1b",
    "signer": "0x11c0E39fFA8FB4E16Aa11f58978eAD6b105E9f66",
    "userId": "615749984"
  }
}