{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4c501ea3a8ff8c76351953fb0ef1e35856abefa8f015c21726e11c5952f6a7ff",
    "signature": "0x92ca9dcf694eff0b696b20d01c9d5f73fd31f4ab71e5e4dc791c0844fe552d7f7543b383206d8bd307658ceaab63bb6e684a47d355558bc8b422d96483bfc7df1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}