{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312119,0.000000,0.000000,0.174053,-0.529792,0.830076,0.000000,-0.258539,0.786955,0.560232,0.000000,-1650732.515086,5024587.739985,3553048.180163,1],    "boundingVolume": {    "region": [1.888137,0.594600,1.888300,0.594731,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459171.b3dm"}}}