{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950251,-0.311486,0.000000,0.000000,0.173720,-0.529966,0.830034,0.000000,-0.258002,0.787087,0.560294,0.000000,-1647304.245197,5025432.466294,3553441.930839,1],    "boundingVolume": {    "region": [1.887503,0.594682,1.887603,0.594799,0.000000,6.235256]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1375496.b3dm"}}}