Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFbFa+4e3Rctt0rTLbI5QgQxh0PUGhYxbwzv9q8b7UfvAWP835IcY4fopk9… (844 chars)"
  }
}