{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa0320b142d23f0a0adf87a02abe9eab67f8060dbce4d796b3b19d8965f7faa9a",
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}