{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x19fcd2bc123586418aa7f5ff14edaff631a1ac60bc35084be4853ca1d6768221",
    "signature": "0x7f1b27e11ead3b7133f39a5b1869f09fc12918a31d05f74d27066a72fc3bd7737d6a79389f6a1ac205d612dceecbdd1db5054c44aa9653bd8052162dbe8c0e141b",
    "signer": "0x874FC0A92A67F234518D57908dB5282444fb3571",
    "userId": "853740451"
  }
}