Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF5mUbtEZPdX9W/Qro2VVwXgkb90+gZtu0zj5/xZYPDoEWFTtY0U1H70Cwi… (844 chars)"
  }
}