{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1581756864",
    "entityType": "Event",
    "nonce": "0x8576df71ff4da0ce73feda1a7d8fa35f246f88abb732d03e6eabb36bc05baa64",
    "signature": "0xc117b276aab32e6598630a08a199f8268cdf0d27257b9d42b3849d10e9d7736266e3b843db91e38678ed750ed1a47398961e9429b56bbed2a6551bfcea1433081b",
    "signer": "0x794607110611CFB56E78B7d01753BA1DDc71812A",
    "userId": "857792049"
  }
}