{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892433,-0.451181,0.000000,0.000000,0.290943,-0.575483,0.764312,0.000000,-0.343877,0.680187,0.647375,0.000000,-2196378.042466,4344422.122705,4107172.245245,1],    "boundingVolume": {    "region": [2.038832,0.704101,2.038936,0.704170,0.000000,7.716163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1974744.b3dm"}}}