Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBZ35Kd/HkMEIgya31Pq9FInKC9gGOZt+TL/vm2ZUKUxC3eqHxtbfzqNVMZ… (844 chars)"
  }
}