{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949096,-0.314986,0.000000,0.000000,0.176065,-0.530508,0.829194,0.000000,-0.260634,0.785327,0.561543,0.000000,-1664117.230024,5014220.234362,3561384.665340,1],    "boundingVolume": {    "region": [1.891169,0.596197,1.891307,0.596303,0.000000,8.805275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1446859.b3dm"}}}