Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAc3koMd3Pq23uAvai4JLDAVeJmtcZpdg4rQXs4SH4MZSFPdBUBE9OLbvyZ… (1,748 chars)"
  }
}