{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd56fe0f034a9cf31173be6e15990dff6e0f6f7e96bc36b4e43b98751c5f9b26f",
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  }
}