{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x762ca38549a8b7257ee2f09c075bf29f8f2fe7919a4fdd93ec79c9a9ffe712cd",
    "signature": "0xaf22d6b1466154ac7af66d28d5d45a849d53a0027b9c35fae3b55ca0994c11d35c1670e009f095c5318fd0753cfe376cff4af5fc2597cc5f612b6af53d46bc201b",
    "signer": "0xffE38699809fD74787DA4B1e8397af4BD3429666",
    "userId": "394456316"
  }
}