{
  "manageEntity": {
    "action": "Save",
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    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf5446a54439bf5e4a6b9d746d85f567b1ebdaf90533ded6c2d2666d15721459c",
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}