Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHgAb/zNjlyZdCtMPw9rrPUpBsVRJpBfdtLY6sY5i+PcnTLUvmB2G2hlWVb… (844 chars)"
  }
}