{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x830beed347f3685996c77f12cf8085b53efffca8987fb6048bcacd9ce1a10aea",
    "signature": "0x229b4fcfb953b9833ed848adff9ce1fa162631e058b54c33f96396032056c9bb25f13e6e592312f900b6ae4afe8bd717ec9af0a7d4db1a7a6c1b4446de3e63b41c",
    "signer": "0x69D7699156fe9a786da8cc3ee979eaa512E6BA81",
    "userId": "6137592"
  }
}