{
  "manageEntity": {
    "action": "Save",
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    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x829c6ec29cadf5a4f6c4c26d7b9cb4000ce122c124611e659d98e7e49b1e7c7a",
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}