Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEKUWXIkZ+jMWMktISdVKBZjuOi2M6EqEzP7kUic6beKzRRu1BK/pVwDvNK… (844 chars)"
  }
}