{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948725,-0.316104,0.000000,0.000000,0.176409,-0.529458,0.829791,0.000000,-0.261749,0.785591,0.560655,0.000000,-1671232.304949,5015886.701550,3555739.780999,1],    "boundingVolume": {    "region": [1.892368,0.595065,1.892464,0.595288,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179239.b3dm"}}}