Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHV4ZEcg9eImUL5bTJ7mdMzJqWQM1+Ijibu2uRlxg+C7BzCRuYWRT0PXZXL… (844 chars)"
  }
}