{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6387aa55932e57d8ba45b4a2e231cda4e1b540a9adab992c5513456ac9f25e78",
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}