{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898691,-0.438582,0.000000,0.000000,0.283699,-0.581322,0.762613,0.000000,-0.333526,0.683423,0.649379,0.000000,-2130286.028444,4365130.667291,4119921.447553,1],    "boundingVolume": {    "region": [2.024766,0.706730,2.024867,0.706805,0.000000,7.308215]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1819940.b3dm"}}}