Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQApYjYQxAGMVeUSxwCoTT1MePZX4YjJhs3QD9D7GMu+xV2CKFY1Yyz2su3j… (1,748 chars)"
  }
}