{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x71a31ef500c87c8e46972557052e8fabe3c06f02def973cfa44a5190fbaed43a",
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    "signer": "0xf95969e92BFF8C7cf42923fABC371C2D2B9D2f56",
    "userId": "614520593"
  }
}