{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x149341e98e46a50a9dc50217c9a5247aac619394ce562f275882dc94e4ba13b7",
    "signature": "0x6f410005a80c52a2ca0aad0d17018a37234ab96814226b0e1452e4654f7091cf2c0562c696fb0607304b7b8d2b818f9c823b99c36e3e6da56a3e3b2201ed03831c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}