{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465887291",
    "entityType": "User",
    "nonce": "0xb8cb5e754bb32027f99c843c2a226a7cd08cfdaf89b64acb615b67ba2d622186",
    "signature": "0x532667d2a673ce682cbefb2326effeeaee73a1402dc2e7022214f1d68fee6ee12320d72314740c8545a41cb06a6c0cd47ab18422b2edcc937b31615dfa1503601b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}