{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891050,-0.453905,0.000000,0.000000,0.292156,-0.573525,0.765320,0.000000,-0.346414,0.680036,0.646181,0.000000,-2212567.297784,4343435.011594,4099571.027415,1],    "boundingVolume": {    "region": [2.041892,0.702526,2.041987,0.702612,0.000000,7.486737]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_2045319.b3dm"}}}