{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949467,-0.313865,0.000000,0.000000,0.175470,-0.530809,0.829127,0.000000,-0.259686,0.785571,0.561642,0.000000,-1658064.807153,5015776.489014,3562011.881584,1],    "boundingVolume": {    "region": [1.890008,0.596328,1.890107,0.596410,0.000000,16.490579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409437.b3dm"}}}