{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8ae1ec36e07719ee47a01a909c55c8e27cf80555416b9552d1452ce00eb503e7",
    "signature": "0xafedec2df3273c054cfa49733264cd6b0f6b93d5ef73fcc14fabd5c02a298c3478caeef70b36330f0192f4d0ff8b0db301fd86768f9a10cf07e7d01c9ddaa91c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}