{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa34caf2c4d21d03bbdb49994acdc8285e3ce924fa8eb79565c186d93df1c2fd3",
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}