{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x99c856b36b3631f5acb3c89d356aa3188f9e77e2c9e5d7d4e70ebdec0e4644cd",
    "signature": "0xdb339386b6039ae6178ac1d2c3f841d8de63564bc7c1a2963e44ea24e69c7bc837459e1af32fde19cd270dd280198d9f94c4e4731fb5755778cc5c23c2bf2de21c",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}