Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGh6/DMFJlj+r8xg4cYfbtGZNOPLcH8GP2pBmwh0V1LBjyoEXiL7pMVPhIw… (844 chars)"
  }
}