{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857910,-0.513799,0.000000,0.000000,0.263117,-0.439336,0.858926,0.000000,-0.440535,0.735578,0.514640,0.000000,-2812286.333621,4695781.609870,3263363.250203,1],    "boundingVolume": {    "region": [2.110322,0.540525,2.110486,0.540650,0.000000,9.999033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/9_406704.b3dm"}}}