Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEiPrSs/SpRyGIc6RlH7kTFJFy7LTseP2QSoG87/qDkZ3uGo3YYAVCl03Xl… (844 chars)"
  }
}