{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944385,-0.328842,0.000000,0.000000,0.183793,-0.527828,0.829227,0.000000,-0.272110,0.781461,0.561493,0.000000,-1737390.824501,4989533.147621,3561067.085102,1],    "boundingVolume": {    "region": [1.905816,0.596152,1.905930,0.596227,0.000000,7.411576]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_730115.b3dm"}}}