{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfcbd7883b052b395b02b49f444a16a2bdac9338b8ee2d8ca079e9977eae0d677",
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}