Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGWdxbpzwE31OcgFKGHmkpUMo9bB32zIviB6fqKZEGENFTbN4+sTxOr55T4… (844 chars)"
  }
}