Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBSG+Qzb7mm5ClZhysRFdrTwfipMz/VfqNZ0x6HqEdZZFPtiySSq4U5GZ4q… (1,748 chars)"
  }
}