{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950386,-0.311074,0.000000,0.000000,0.173496,-0.530060,0.830022,0.000000,-0.257657,0.787187,0.560313,0.000000,-1645101.979889,5026067.870976,3553562.684639,1],    "boundingVolume": {    "region": [1.887070,0.594705,1.887169,0.594822,0.000000,8.779407]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1375481.b3dm"}}}