Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHAS+Pfh3QVd1sP1A1AbDYPBI0DYlxfTzzy9OxPqO49y3XVgYx9e+LY4wr3… (844 chars)"
  }
}