{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950064,-0.312054,0.000000,0.000000,0.174609,-0.531605,0.828799,0.000000,-0.258084,0.785750,0.562129,0.000000,-1647839.596303,5016932.960810,3565106.035801,1],    "boundingVolume": {    "region": [1.888081,0.596853,1.888220,0.597062,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332157.b3dm"}}}