{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950849,-0.309655,0.000000,0.000000,0.173269,-0.532053,0.828793,0.000000,-0.256098,0.786394,0.562138,0.000000,-1635159.443578,5021039.356656,3565163.018660,1],    "boundingVolume": {    "region": [1.885544,0.596884,1.885709,0.597053,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388356.b3dm"}}}