Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGP2OZG6IXoS2M7rysQPqKTO6XWazNlrg70aH9qhcwYwCHzxWOYpVH+2pgY… (844 chars)"
  }
}