{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfbee40f9f5d49ce743bb8b2f0b9b2cb03ed248b6730bb2b87cb5781accb8d44e",
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}