{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948760,-0.315998,0.000000,0.000000,0.176482,-0.529873,0.829511,0.000000,-0.261573,0.785352,0.561072,0.000000,-1670108.799251,5014368.376139,3558390.298479,1],    "boundingVolume": {    "region": [1.892236,0.595627,1.892374,0.595734,0.000000,7.803708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/6_1146882.b3dm"}}}