{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950353,-0.311174,0.000000,0.000000,0.174041,-0.531537,0.828962,0.000000,-0.257408,0.786145,0.561887,0.000000,-1643520.913607,5019450.636855,3563565.773974,1],    "boundingVolume": {    "region": [1.887149,0.596572,1.887301,0.596757,0.000000,8.695765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328273.b3dm"}}}