{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950381,-0.311088,0.000000,0.000000,0.173653,-0.530515,0.829697,0.000000,-0.257566,0.786873,0.560795,0.000000,-1644526.299149,5024072.799767,3556628.371173,1],    "boundingVolume": {    "region": [1.887084,0.595287,1.887183,0.595404,0.000000,8.797394]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1450588.b3dm"}}}