{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6942f6d67ab88b8d1e373effc63cb03a9581d12be37847a0e15d6c54b54da740",
    "signature": "0x54c6a579107eb39f9997afa7acd677b45c871ee729a3269922b09bb87c9e873a26112a331e416dca4aa768e6b1e14a9f4bb89fbdc5c071aab4e237339c00afb01b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}