Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDfBqBlF4wqoMmKgK+lTjXkgcz0Tn+8KQ36YvFYctSd8hchMK4DZteGxIcm… (844 chars)"
  }
}