{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949443,-0.313940,0.000000,0.000000,0.175512,-0.530797,0.829126,0.000000,-0.259748,0.785549,0.561643,0.000000,-1658458.514429,5015640.486746,3562020.046076,1],    "boundingVolume": {    "region": [1.890087,0.596330,1.890186,0.596411,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409504.b3dm"}}}