Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+Wgn0MchjvA93eqFMO5HL58YzARgYz1CU/+PER4MzblSl8e+nTnMpl6Qa… (1,748 chars)"
  }
}