{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898497,-0.438981,0.000000,0.000000,0.283955,-0.581194,0.762616,0.000000,-0.333830,0.683277,0.649377,0.000000,-2132226.810583,4364198.198299,4119905.440977,1],    "boundingVolume": {    "region": [2.025210,0.706727,2.025311,0.706802,0.000000,29.412956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1819933.b3dm"}}}