Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFiPPd8VleVJwM0RZCMwYU+u/QE7lmyTa4Nm3Nz+HE+hx168bZcZEfQQ/ZB… (844 chars)"
  }
}