Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDn6hH4Y5PRdz2d0DX/4SZCaGuIfMRgPbAQco7DVWLXjSI4+JEqHC+7v3HE… (844 chars)"
  }
}