{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1562524133",
    "entityType": "Event",
    "nonce": "0x40bd2472c125425913a5c7d534885eaba708a92042722b87d0c2137c417940c6",
    "signature": "0x6063b6cc1cc58a50a75ce8d7b3384a367e3b5bf7efb50e6b12b97ca50dca73617c7eebf416566a6eb8fda53309e5b91b09db2a69990c53e581e40f92bb25f3c81c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}