{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897597,-0.440817,0.000000,0.000000,0.283038,-0.576324,0.766642,0.000000,-0.337011,0.686225,0.644607,0.000000,-2152496.618370,4382938.440014,4089563.013775,1],    "boundingVolume": {    "region": [2.027242,0.700475,2.027369,0.700544,0.000000,8.244204]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/6_856483.b3dm"}}}