{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3b5f9aa245be6d35d5ad4b9f44ba7df4722b80225882081397d00286c113486c",
    "signature": "0x0ae20d7513cb86d0ba476231333442365ebafb535699fe0249b9fd617633c3dd5b835ddfb3614615fa29a02a0587ef80710d9a46f87e007e3e0154aeeb69c8d11b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}