{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950523,-0.310654,0.000000,0.000000,0.173892,-0.532067,0.828653,0.000000,-0.256880,0.785990,0.562345,0.000000,-1640155.174565,5018468.066427,3566479.492671,1],    "boundingVolume": {    "region": [1.886628,0.597170,1.886726,0.597268,0.000000,12.832667]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1384837.b3dm"}}}