Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGSUvSSvcDNgpCbCloEqwEGiA/GNtR1xvtEI2rL8eBUKy9Qlux6XDzjr/Eh… (844 chars)"
  }
}