Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBehcoWI12NWM7gMv+Nz6eQE5RFpO0bSb2DV9c1+Br7pAuJkspdd72wYfAe… (1,748 chars)"
  }
}