{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd35e92d144ae4e22795f22d3bc5bea50d96ba7d15397edcde467745dc714e5f5",
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    "signer": "0xde61DFc41A3AE529E5330bB7122Ed2D36b8c7d64",
    "userId": "875944958"
  }
}