{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897937,-0.440124,0.000000,0.000000,0.282497,-0.576348,0.766823,0.000000,-0.336561,0.686649,0.644391,0.000000,-2149620.957694,4385639.479707,4088188.905793,1],    "boundingVolume": {    "region": [2.026470,0.700193,2.026596,0.700262,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883850.b3dm"}}}