Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBPDHpiGD/5XR+1K38Ec9EJ9EnC2YCf+sGFWeQdo7VEKDYcpBHCwIkjQPiT… (844 chars)"
  }
}