{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x21a017349f83bff0b1418683b3bc4e59fb716d760047b8f37e80a55879719d20",
    "signature": "0x8d4591b33bd2ba147f267ab034321e7789f2e3b6b09584fbfe73fe1b00bd7fa74d1ab8b7e6d2c77aa7d418cac9ea7b045cb49d70b3fc677afb813d972b6c21e21b",
    "signer": "0x9a7357063b22Fc98369F72A173b71dFD374eA7d6",
    "userId": "464720762"
  }
}