Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEw3V44dMfT56cqmQV+SQk4Tm060Rrh5U/MLwY2n1rDfRbSFQr+b3pm9RKj… (844 chars)"
  }
}