{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950858,-0.309627,0.000000,0.000000,0.172893,-0.530949,0.829579,0.000000,-0.256321,0.787154,0.560971,0.000000,-1636572.925790,5025873.411415,3557745.293606,1],    "boundingVolume": {    "region": [1.885525,0.595448,1.885670,0.595668,0.000000,8.812425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1448901.b3dm"}}}