{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896319,-0.443410,0.000000,0.000000,0.283789,-0.573658,0.768362,0.000000,-0.339760,0.686797,0.642552,0.000000,-2170033.740559,4386554.553621,4076484.903945,1],    "boundingVolume": {    "region": [2.030129,0.697764,2.030262,0.697883,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_540249.b3dm"}}}