{
  "manageEntity": {
    "action": "Save",
    "entityId": "644027278",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdf0b1c1979298180e516e5c6ccc07303b66d209e41b85a5bbca42d3bbc1f8a47",
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}