{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896530,-0.442983,0.000000,0.000000,0.283374,-0.573507,0.768628,0.000000,-0.339551,0.687199,0.642232,0.000000,-2168697.203278,4389115.833766,4074452.447482,1],    "boundingVolume": {    "region": [2.029635,0.697332,2.029804,0.697482,0.000000,51.622141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_505729.b3dm"}}}