{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcabca3b380e0404c35382ee47027a88be37aef94a486a1db6187884b9b3838e1",
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}