{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "697631179",
    "entityType": "User",
    "nonce": "0xb15aa6525728b1364e614a7212faaffce3463982f72adcbe57b694bd2c44f650",
    "signature": "0xdccf7077ba12b52edab1e00f7027222d0514e3ede93fd46637dd9096bc44a40504935baa7276eaf86fa225ee53f54b1f76436e7d1b3fa2feb0a289724f1871ad1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}