Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFz713Lmq4a6sXKQ1cYb5qiQEqOhiaO+SAGn8CfKCfz6UOz6/CaZ8H5gDSj… (844 chars)"
  }
}