{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x831411687134704f7ca03888725f860925c54b220ff50037b0338ed94bf1677d",
    "signature": "0xebe23a33c217457eb32deec1b1154ab87bf5a47be2fb90f4b1a3599dee45a0195df6454241591c42363db10717c0a08a3a8e9f891ece2c31f3d73684945688a41b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}