Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHIrE5roO4HEDVi9UYSg+efa/MecfGu8j7YQPpB8c6APm1+LFmYPxtXWYpQ… (844 chars)"
  }
}