Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAlg1xXqhLPlMv/f46HXcCEJYnt6mFewMi1ZPPBLiMUWER4RR/ACHCuXyF0… (1,748 chars)"
  }
}