Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCa9JMDihl8csTwqRGdtHPv9c1Nwqd52MjI6Kny7XzP+j5d2UGguoREyRIJ… (844 chars)"
  }
}