{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbe9e9dbcc42f4ad78f323a2dcd5f5fb365beb868f8a64d4df76f9fc204555076",
    "signature": "0xb8f9cbad6c2d87c137b0aec8b7966856e15c6959710b62c738a0d1c7d41c3a4f35998e6abd67dc79abc3baf331fbbf7e21d30b75246431b01a3229f4642165ce1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}