{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1968540cc191fbd8ffc62facfa4e3998c652eb3af2f1f54a0be62200e472b95e",
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}