{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950469,-0.310818,0.000000,0.000000,0.173975,-0.532009,0.828673,0.000000,-0.257023,0.785965,0.562315,0.000000,-1641063.071217,5018306.967021,3566289.808950,1],    "boundingVolume": {    "region": [1.886801,0.597133,1.886899,0.597232,0.000000,8.132210]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1325540.b3dm"}}}