Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCJQhGO4r1DRS1dhqQTBtNmZGju5R6xH5S1Z8rV4n6cvXrTrz88vvy/jy71… (1,748 chars)"
  }
}