{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950386,-0.311072,0.000000,0.000000,0.173973,-0.531522,0.828986,0.000000,-0.257330,0.786196,0.561852,0.000000,-1643026.024892,5019770.560566,3563344.823084,1],    "boundingVolume": {    "region": [1.887068,0.596573,1.887166,0.596672,0.000000,8.795997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1393112.b3dm"}}}