{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898920,-0.438114,0.000000,0.000000,0.282999,-0.580656,0.763381,0.000000,-0.333508,0.684290,0.648475,0.000000,-2130159.937229,4370650.361902,4114169.453773,1],    "boundingVolume": {    "region": [2.024213,0.705520,2.024378,0.705639,0.000000,17.108644]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1828026.b3dm"}}}