{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944308,-0.329062,0.000000,0.000000,0.183929,-0.527820,0.829202,0.000000,-0.272284,0.781374,0.561530,0.000000,-1738503.131621,4988977.172083,3561301.598257,1],    "boundingVolume": {    "region": [1.906049,0.596197,1.906164,0.596271,0.000000,8.760794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_730062.b3dm"}}}