Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDtRKqgCyynqZmA/lExgTn2+Hu+e6E0jR6Ys2TIY7Yo3DAGeCFREmtfD5T+… (844 chars)"
  }
}