{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896302,-0.443444,0.000000,0.000000,0.283808,-0.573642,0.768367,0.000000,-0.339787,0.686789,0.642546,0.000000,-2170211.707010,4386501.978675,4076446.992187,1],    "boundingVolume": {    "region": [2.030167,0.697756,2.030300,0.697876,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_543458.b3dm"}}}