{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x975d9c4c689c68b7147b5b72fe631f9dc9e02f39af4e9da3543d0fc5c44c0575",
    "signature": "0x36d7261a54044670b66e05d5414f32e2eb825854b6d3008aafaf29e8c24e8cd970c1b372312e7de9861c7f78762386e010050e66f46fe1c5a01c1842d98f5f081b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}