{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950295,-0.311352,0.000000,0.000000,0.173689,-0.530126,0.829939,0.000000,-0.257861,0.787032,0.560435,0.000000,-1646404.421605,5025085.372627,3554343.622954,1],    "boundingVolume": {    "region": [1.887362,0.594853,1.887461,0.594970,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452320.b3dm"}}}