{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x481bc501807d914e0b825f9697ec0027dbe3e99a365d15e313e00779e4755d62",
    "signature": "0x1bf83a672d394a275c7ddff09bafda0031f116792ec886f0677ac3184b889cf35a033e669329bb523def3a7505ccd80f328dec51309c820415643cb27e22fcf31b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}