Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFOy11Ei+WAdq73oBpmBUp3GWL1OTLpq6qCNwMvdxYkUQR9J3YLDxQ4Gzr2… (844 chars)"
  }
}