{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949442,-0.313943,0.000000,0.000000,0.175502,-0.530763,0.829150,0.000000,-0.259757,0.785571,0.561609,0.000000,-1658519.594231,5015777.940584,3561799.536496,1],    "boundingVolume": {    "region": [1.890090,0.596288,1.890189,0.596370,0.000000,8.722963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408751.b3dm"}}}