{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310946,0.000000,0.000000,0.173674,-0.530847,0.829481,0.000000,-0.257381,0.786704,0.561117,0.000000,-1643344.495083,5023000.817652,3558674.354412,1],    "boundingVolume": {    "region": [1.886934,0.595676,1.887034,0.595793,0.000000,8.290989]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1424295.b3dm"}}}