{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x21451d05490adebd04e2f887840b9a939db93acee59ddae1f8566be849a7d357",
    "signature": "0xbf54e659c7e65504e166ebda468801842b5a0953c05a82dea0a8be5c8434daa108244f9efbe3bd83b402ca3f1f9cde37dbaff86ae34fcb4a12e6c93081d930331b",
    "signer": "0xC0E31aa3da2f4D108C94a5CfaD902F8418e330E9",
    "userId": "479914536"
  }
}