Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF3FBSB5VB+i+d2hgIxgg/iVz+K+5Knl8uwAFx+CXz3ZzPmtm6focO6DmKU… (844 chars)"
  }
}