{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950202,-0.311635,0.000000,0.000000,0.174273,-0.531375,0.829017,0.000000,-0.257806,0.786073,0.561805,0.000000,-1646062.291693,5018988.153592,3563047.634655,1],    "boundingVolume": {    "region": [1.887633,0.596473,1.887785,0.596659,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398773.b3dm"}}}