{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230682094",
    "entityType": "User",
    "nonce": "0x3216b1a2c24d5cdfaee972441eb90b8678d9cdcffce3181a34a62098b2558a9f",
    "signature": "0x693517b41479dcf2bfe2ba5ddb705d3abe897c35965d9ad1c8617e7a78b6e13a247b9ad2d32d97b875d7f0d17d513f5aa3f644de8e02ef64436f68b26b1b97101c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}