Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB19yVJWY7BwB+d+xOMvJ8Fpu8W9zBIBGjsrOKZW0SzpgxfCPrV1IIX6Shj… (844 chars)"
  }
}