{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x54dd43e11b00a2f14600b0d268e274cb9e4aed816ad7964716a23e0f7ba64842",
    "signature": "0x822cc97fa6c5d4c61bdec17ff88afe41c70a6aa022aa5cf86358c07168d00b733ed0c72821ad7156fcb90376e469bdf4f5bd976db8d6998e153f6760c5ac95ec1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}