{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x601bd0c596988ebb92e089b5a5a97e86150c5e43422df30d70b19305dc799739",
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}