{
  "manageEntity": {
    "action": "Save",
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    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x507fb6626b1e915b8d47ef5b6824826309a7a41a0a1b4a13759fe76313a61e40",
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}