{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19f804a982cef76347ae36e707e03f85822bf76cfd545800f17d4488754a5e64",
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}