{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4eab92614a18f8a796c8e047d3f478df41e4af8d6c9b9c04659cd682928c35a9",
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}