Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD5tUVbUi+uGzy27NpJoMrjNMdjIMF3f01kBaV3vQfYG0Vs8yIIcc4NwX3/… (1,748 chars)"
  }
}