{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894687,-0.446694,0.000000,0.000000,0.284817,-0.570462,0.770358,0.000000,-0.343172,0.687342,0.640151,0.000000,-2191807.913014,4389990.170187,4061211.456435,1],    "boundingVolume": {    "region": [2.033796,0.694632,2.033930,0.694757,0.000000,66.149328]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1138568.b3dm"}}}