{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944370,-0.328885,0.000000,0.000000,0.183832,-0.527862,0.829197,0.000000,-0.272136,0.781419,0.561539,0.000000,-1737553.776518,4989268.353642,3561356.618464,1],    "boundingVolume": {    "region": [1.905861,0.596207,1.905976,0.596282,0.000000,8.753618]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_851566.b3dm"}}}