Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAz4GgD5Hsec+IdQz1lIBMagyfOcfV0qe5s9T1b9PMW/luBsKLf5Jj2Y5h+… (844 chars)"
  }
}