{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8ff7cf4d3430c23db5bf306fd16855f5c55b78a8578858f7021648847e1e0270",
    "signature": "0xf6000d594c3149528e98a3acb24cea67f25b5325a842fb3f6ec3a94ccc98f0360dd241480baf6731f3c4178dd94031ecaadf14b6772e3fcd1bc5ec2df04f12b31c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}