{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950672,-0.310198,0.000000,0.000000,0.172863,-0.529778,0.830333,0.000000,-0.257029,0.787722,0.559849,0.000000,-1641087.770222,5029477.311695,3550613.555879,1],    "boundingVolume": {    "region": [1.886107,0.594130,1.886289,0.594276,0.000000,8.462787]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1457938.b3dm"}}}