Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/B6d3ZEQbU9/Li0OrlfHBOA50Tt3D5i1nK4LHcoARG2otZxlSfq3hsAf+… (1,748 chars)"
  }
}