{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x246767147bd32a228ae4a8d0e347d0cbcbe69267548e1a556f738d3e73aa0f11",
    "signature": "0x76585feb6e170196beb2b887b24edab96a9685acd7f77da4c5873a0a52409e8028dca388538a6ef7d5b540bfe0df2fb8a8e40284907e556d044169726317a89e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}