Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA+fq7aCiw6DFHiGVR7orvW4ubP2Atah5XS1IM1NpOPCXGPHR+wrtvPQpQb… (844 chars)"
  }
}