{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x06a2a8125736ce63129bf6334180ec6356bfe60c7d5073cba94e3132b95c376a",
    "signature": "0x6bf153a08153110343d54a7711da48234733e4cfc60a3e90b94a5d6f8828e6bd24a580c5c595358ecae2ddb3bb741f8a213798b55cd7fb9bcc0cdd1a2502f5011b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}