{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950591,-0.310447,0.000000,0.000000,0.114668,-0.351113,0.929285,0.000000,-0.288228,0.882556,0.371510,0.000000,-1839206.539927,5631665.729232,2354765.810975,1],    "boundingVolume": {    "region": [1.886381,0.380588,1.886538,0.380682,0.000000,4.467713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/31/12_70350.b3dm"}}}