Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE0xd9R6rVl7HbmlPub3T1OLGmFKIYRKqTyg1Ot1pbr2W2abEynlyOPzgJW… (844 chars)"
  }
}