Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFpus9gQ4IcO6hbPsxb2OcG+8M87i1i5aQ6ZTcNwxX2lybn6UdEWOY/ihC6… (844 chars)"
  }
}