Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH6sRkQmW2ux3/15Rxt8yqCniK3cj5TN/Osj7iUFeFHlmDH0IrqIP8JFhEw… (844 chars)"
  }
}