{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x70bf6046c333bc0e9c437e84d35d384246ebaf4b41db8780d3c2b88aa641d4cd",
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}