{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xad406a8290d5f58eaa1b1b8d5b169dd1899be70af32ec4e27ba037a70b7b5272",
    "signature": "0x9bf71dca4a42bd783c147f01e2da82301116510d995a16682353dfb4689a621d504601892a1c92b7d0e023c66ca0e7b9054ed74fe8bb1d88f5136ac606618dbd1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}