{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x230cd42bb3fa32771e289162ec1b459a237d7e428994867c87d38c010dcad861",
    "signature": "0x9ec88e99e2301de48dddb2f9943a23808581fa75bb1f936b8a99f21983419d935626eb2b7de7ae6e8d94b2718073a92dc9987cfaf94160fcc1f5e7bbbf8d9f2b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}