Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBRRbZ2FvHAk+WW/8FFYuIpzEiZE6MwzvL3v64aLdpZjT5DRl4Cz5XMTlFi… (844 chars)"
  }
}