{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6202809879bf2670a9a35edbf044a7ba819fd620ed720a2bb5bc8e1eac442376",
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}