Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB1PCdOK0Yq7TS+nhVha/XJ6zsC+z0ByLMoCq/j+1U3Jlsn76EM7bXW8THN… (844 chars)"
  }
}