{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1581756864",
    "entityType": "Event",
    "nonce": "0xd4a51fd5ceda54220a7900b979bb3c207deed274faf04adb15212f220918c588",
    "signature": "0x6e90e4d3e20bdeb6d3813a928c8ed1feb8437ff17b95684e0e2d39b8859ed1f921915d44b2976bcb86d4a2fe384042c0b30a47a952ac0ab07badbe736bc56cee1b",
    "signer": "0x970e7C874200260e0A5Bc5cc99137a67bE5E2E95",
    "userId": "80359"
  }
}