{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950697,-0.310122,0.000000,0.000000,0.172810,-0.529758,0.830358,0.000000,-0.256973,0.787766,0.559812,0.000000,-1640733.192857,5029757.081105,3550382.664776,1],    "boundingVolume": {    "region": [1.886027,0.594086,1.886209,0.594232,0.000000,8.462787]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1375962.b3dm"}}}