Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE2qdqVWgWS/ojr1aiP7EoEnJV+JxwfFKV6G0jcpwSBKWA2HXS6fuN1K3QR… (844 chars)"
  }
}