{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950058,-0.312075,0.000000,0.000000,0.174028,-0.529799,0.830076,0.000000,-0.258503,0.786967,0.560231,0.000000,-1650500.449017,5024665.908726,3553045.463726,1],    "boundingVolume": {    "region": [1.888090,0.594599,1.888254,0.594730,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377056.b3dm"}}}