{
  "manageEntity": {
    "action": "Save",
    "entityId": "138575",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x41082b3c12374685a6edab2bf8d003aeb3b7cb910ea4f6cf9e85fb134fa30d56",
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}