Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFGVDtqWn1VOOiXMacAFhg6jlNHLRuMiNOr7NA0dr2y+xM/wKSMf0l4tEQ2… (844 chars)"
  }
}