{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfdfe00a182adb7139fe134ae368c8cf9a007b8e7a7b81e269589f05abdf85f5a",
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}