Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAnRMcBzl3lEC5HGa4R2tpOA/QgSOEJ/CHeOZKjgW1OQAODRSj2fmV6Ma4J… (844 chars)"
  }
}