Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAnt7qxyh+FIUduO3sF528nShSRG+VRZfIf/4n8i3Si8gVYcOps1Ijk/4SB… (1,748 chars)"
  }
}