{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897878,-0.440244,0.000000,0.000000,0.282626,-0.576415,0.766725,0.000000,-0.336609,0.686515,0.644508,0.000000,-2149932.804674,4384790.097867,4088930.945448,1],    "boundingVolume": {    "region": [2.026603,0.700345,2.026730,0.700414,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852611.b3dm"}}}