{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617072743",
    "entityType": "User",
    "nonce": "0xcc8985ef0b611471a7b596ba79583d0ccfac2ee117dd9f5114ae605dc4905b77",
    "signature": "0xa96c83e2b8b4a42aef32727a04623b241565ae251aa3309bcdcd80b609e3db3552d61bda0442cea54bc283f45387fccec39ca0197f8e156371411afb24d27d7d1c",
    "signer": "0x3256829bD2C36780Db69b5c18671A1DA06B8d505",
    "userId": "468369673"
  }
}