Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCf/LWbb1tSWxd1p1ca7qRpZmwuUuTSv/saLSb1oqQ2lCrGvF8A47r1n3pl… (844 chars)"
  }
}