{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc9f2fe3612c57b242e3fa791946599af2efeb7b6b26104c5005968fedccef55c",
    "signature": "0x61f4c79efefcce7310ee51436f4e7a96bc340a80ca2cd652440638ef847c393a3a91b5675cf63dd160576cf3e7b4b5779dfa1ab48eb1caa3be91cf806b9e081b1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}