Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGu4ggPbQkDIQVLnE8njqcpn42nBXMuUCdZbxBFxPdYHXZsuAUwWdCAH0hj… (844 chars)"
  }
}