{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1698340",
    "entityType": "User",
    "nonce": "0x1e38f18d738300baa767321b5d710bcd34839bde86e9df166c8d6cdb02ff1df5",
    "signature": "0xb090e6c78b99ddcfe2c756bf45c2e2bddc1324f97121e6d664e84592544dfaf153efbe7560f7213e5d33de012b2087636ebfeded32089ff9f0d3a72f5101441b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}