{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894810,-0.446447,0.000000,0.000000,0.284640,-0.570502,0.770395,0.000000,-0.342999,0.687470,0.640107,0.000000,-2190700.213257,4390801.966717,4060933.390439,1],    "boundingVolume": {    "region": [2.033520,0.694575,2.033654,0.694700,0.000000,38.039740]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1138212.b3dm"}}}