{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896533,-0.442977,0.000000,0.000000,0.282941,-0.572641,0.769433,0.000000,-0.339904,0.687927,0.641266,0.000000,-2170946.660692,4393743.634611,4068303.457586,1],    "boundingVolume": {    "region": [2.029621,0.696090,2.029804,0.696203,0.000000,51.130713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_505037.b3dm"}}}