{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfb9b3e08c353097c6236fdd9f6ae84ac304c8391d0bef1a0c2759621019fc84d",
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}