{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfcd074eda8feb03b09e033a264492f2d046599404019c3c50c0822d475ea6ba3",
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}