Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+Cx4+XMdLEIuTyBcTXRlAmIHHd5D8/Kk4OGY/wEwK3QRDZZP4pjkWjhjM… (844 chars)"
  }
}