{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950013,-0.312209,0.000000,0.000000,0.174505,-0.530998,0.829210,0.000000,-0.258342,0.786102,0.561519,0.000000,-1649479.845407,5019164.688540,3561230.255054,1],    "boundingVolume": {    "region": [1.888228,0.596118,1.888399,0.596323,0.000000,13.518449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1437601.b3dm"}}}