{
  "manageEntity": {
    "action": "Save",
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    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xabc8b9f32a1441ddad9d4c9d51355f494b330a5242905fcd1ce1ce18faec405d",
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}