Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAaGjAyNFAsXyaP8Pd1o7v2sy/a54BKoSoaTRz7DSYY6FO+HbDUZL5zAGxO… (844 chars)"
  }
}