{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943360,-0.331772,0.000000,0.000000,0.185797,-0.528295,0.828483,0.000000,-0.274286,0.779905,0.562597,0.000000,-1751291.476344,4979620.473916,3568079.019877,1],    "boundingVolume": {    "region": [1.908915,0.597484,1.909040,0.597563,0.000000,7.755686]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_1255469.b3dm"}}}