{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5cd9be835dac57eb4d79c8e28b4a9e52eea35b4cc3b9b0be1c532dfb3ff1dd32",
    "signature": "0x523407b251468bf810fce7676ad5ad4642ac856a599f9208251ba295da12326b522806fa04e06872c063fb4b3c9ac7a1f0f1c49a0de930a5817344190cde1af61b",
    "signer": "0xD9A81296607A057616D2BdFEAa51375208b7fbc3",
    "userId": "343798350"
  }
}