{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950278,-0.311402,0.000000,0.000000,0.173864,-0.530566,0.829621,0.000000,-0.257803,0.786715,0.560908,0.000000,-1646035.891031,5023065.619991,3557347.712935,1],    "boundingVolume": {    "region": [1.887414,0.595424,1.887514,0.595541,0.000000,8.813120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455289.b3dm"}}}