Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFbR2l0SXB4S3LokER7Ac/8Cv3d4C+kthLvOW0w5yXIB0E9cSeozFV4lPM7… (844 chars)"
  }
}