{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950076,-0.312018,0.000000,0.000000,0.173986,-0.529777,0.830100,0.000000,-0.258463,0.787005,0.560196,0.000000,-1650248.823605,5024906.691091,3552823.313733,1],    "boundingVolume": {    "region": [1.888031,0.594557,1.888195,0.594688,0.000000,11.279145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1377713.b3dm"}}}