{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898680,-0.438605,0.000000,0.000000,0.283713,-0.581315,0.762614,0.000000,-0.333544,0.683415,0.649378,0.000000,-2130397.578565,4365080.476210,4119916.975054,1],    "boundingVolume": {    "region": [2.024792,0.706729,2.024893,0.706804,0.000000,7.178991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1819938.b3dm"}}}