Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEmPVCvvNRiwmw6NntNSwVfZDcYMsJ9e2J0S3Ci0nk45kMIk9rnCN4bS7pJ… (844 chars)"
  }
}