{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f3a42e6c342640cd7a00caf35b3d71bf2de03bcb05bdac1bc611650be60835c",
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}