{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950489,-0.310759,0.000000,0.000000,0.173368,-0.530266,0.829916,0.000000,-0.257363,0.787171,0.560469,0.000000,-1643222.764308,5025973.532239,3554558.735717,1],    "boundingVolume": {    "region": [1.886696,0.594879,1.886879,0.595025,0.000000,8.821063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449300.b3dm"}}}