Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDhO2iYI8mBJ/p67Ca7kN4Yp501UFp86XicxVdm5x4weGbO5ZeTKCY/cqOB… (1,748 chars)"
  }
}