{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950371,-0.311120,0.000000,0.000000,0.174084,-0.531771,0.828803,0.000000,-0.257313,0.786008,0.562122,0.000000,-1642917.280878,5018576.557596,3565064.773808,1],    "boundingVolume": {    "region": [1.887119,0.596900,1.887217,0.596999,0.000000,8.811348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1400923.b3dm"}}}