{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857937,-0.513755,0.000000,0.000000,0.263165,-0.439468,0.858844,0.000000,-0.440454,0.735530,0.514778,0.000000,-2811771.702042,4695476.673951,3264239.452926,1],    "boundingVolume": {    "region": [2.110270,0.540686,2.110434,0.540811,0.000000,12.741033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_434927.b3dm"}}}