{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x21a87a7dd115a81d189e48b3b811a56bfa928836bd90fe41e1ba69031d252c2e",
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}