Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDETaE+3k1ZuGxkUMYGLJ7JC1+2MJDZUzmk4+2SnM2pnQ+Xejpq/saA8mIL… (844 chars)"
  }
}