{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5d61c0428b1b4137ff27acf1a74a8ab18a15f65aae6313dbd2666d94c9d76be9",
    "signature": "0xd1006490cedf4cdc7eb8f46c847b3ed121e1067d515d77a809956e87d2f542fe0d41251a748f3585d3c094b7d52b2adc30e9117c7fa44e4f6d5afa6b3a6620031b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}