{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xef9cb30c8956d3bdfaf8be128b565e41d262e80c67714407989bb7e5a9c6f622",
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}