{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898918,-0.438117,0.000000,0.000000,0.282937,-0.580524,0.763504,0.000000,-0.333565,0.684400,0.648330,0.000000,-2130520.853221,4371351.242578,4113244.067391,1],    "boundingVolume": {    "region": [2.024217,0.705329,2.024382,0.705448,0.000000,22.408144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1843815.b3dm"}}}