Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGQIIEQtTqlDdfeN853LZ7D+fTp3O2ULNdXmQ8Zq0NXQSB1XEQrGwNhAYs4… (844 chars)"
  }
}