{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894817,-0.446433,0.000000,0.000000,0.284419,-0.570080,0.770789,0.000000,-0.343165,0.687829,0.639631,0.000000,-2191757.886798,4393090.383760,4057906.994700,1],    "boundingVolume": {    "region": [2.033505,0.693956,2.033639,0.694081,0.000000,60.995653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_982828.b3dm"}}}