{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcb63b10ca2cdd86919ccc393cf1acbc713b63361c7faa9c3ae712153416f2357",
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}