{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896314,-0.443420,0.000000,0.000000,0.283763,-0.573589,0.768423,0.000000,-0.339795,0.686849,0.642478,0.000000,-2170257.835037,4386881.954926,4076016.418332,1],    "boundingVolume": {    "region": [2.030141,0.697668,2.030274,0.697787,0.000000,47.558802]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_540043.b3dm"}}}