{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897634,-0.440743,0.000000,0.000000,0.283062,-0.576495,0.766505,0.000000,-0.336893,0.686129,0.644771,0.000000,-2151745.571859,4382329.141164,4090604.063446,1],    "boundingVolume": {    "region": [2.027159,0.700689,2.027285,0.700758,0.000000,9.545143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_859281.b3dm"}}}