{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951296,-0.308279,0.000000,0.000000,0.113907,-0.351496,0.929234,0.000000,-0.286199,0.883161,0.371639,0.000000,-1826263.083791,5635530.842971,2355587.145480,1],    "boundingVolume": {    "region": [1.884102,0.380727,1.884258,0.380821,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42993.b3dm"}}}