{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950921,-0.309434,0.000000,0.000000,0.172989,-0.531612,0.829134,0.000000,-0.256022,0.786780,0.561632,0.000000,-1634669.106914,5023496.914319,3561946.119343,1],    "boundingVolume": {    "region": [1.885321,0.596247,1.885467,0.596466,0.000000,8.805171]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1385790.b3dm"}}}