{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950600,-0.310419,0.000000,0.000000,0.173409,-0.531031,0.829418,0.000000,-0.256926,0.786786,0.561210,0.000000,-1640438.247368,5023530.168447,3559263.999987,1],    "boundingVolume": {    "region": [1.886373,0.595789,1.886488,0.595904,0.000000,8.820635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425408.b3dm"}}}