Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDnv5SuDVJkB2iUFpphhlt5bMv0G0/zwShFP1oB+q7h8xZEpuf+n9BBX7nc… (1,748 chars)"
  }
}