Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDAx3HMxfzlVNN1xpyCHY7kJTTTzmjLLFzX+FMxsBzyYl+TYKeEP8k2z3Ec… (1,748 chars)"
  }
}