Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCG+gv2E8my25vuE+pB/ErV0wZEh22MZ8DF2lL5SSN7+Us1DJtg5urm0ZJF… (1,748 chars)"
  }
}