{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949174,-0.314752,0.000000,0.000000,0.115306,-0.347721,0.930481,0.000000,-0.292606,0.882388,0.368475,0.000000,-1867126.856574,5630549.230664,2335513.399755,1],    "boundingVolume": {    "region": [1.890930,0.377320,1.891054,0.377417,0.000000,52.727660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_23532.b3dm"}}}