Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGxWUIjp3kVOftmG+xZ9iseVsy2Qn/9hgv/VX3XXLS8jTGBtXbj4QpmlDmG… (844 chars)"
  }
}