{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa43efa1c29788252062e379364db3d6c20bcb73d74812dbbe0577b039ba6029f",
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}