{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950687,-0.310151,0.000000,0.000000,0.173205,-0.530916,0.829535,0.000000,-0.256740,0.786971,0.561036,0.000000,-1639253.941765,5024702.585612,3558161.958297,1],    "boundingVolume": {    "region": [1.886091,0.595580,1.886206,0.595694,0.000000,8.800633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1423987.b3dm"}}}