Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD3W09qcr7P5u3GZof/0Rqby9V1gCCZh32C5v3b8S8x8AII0G2VsaO1KsBQ… (844 chars)"
  }
}