Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFYLOSJjTQ2KWJ0aSDb3fL9KG/ZPconkwE2xjgkCEWQ7UrbDaYEAGCPZXnQ… (844 chars)"
  }
}