{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8d888aa09946e4cc5f104b820c5ebb4856fa3fe1c694b3b52e5ef5f3b29a2d5d",
    "signature": "0x3e92c6b59b9c8b6fb932995e1215181f4465fd14ce9a57b0992c608a258afb3476e61f095cae868a2cfb20d9a81c46b333e666f5f514e9894726cb118ba1d0e11b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}