Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDH+QXiV/9UsLCaIYvRcbYTMPZyKAp/1DS7W2EC2c+nIHFh8YnYYKBG5BTW… (844 chars)"
  }
}