{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950696,-0.310125,0.000000,0.000000,0.172845,-0.529862,0.830283,0.000000,-0.256952,0.787694,0.559923,0.000000,-1640599.844932,5029301.760140,3551084.501326,1],    "boundingVolume": {    "region": [1.886029,0.594219,1.886212,0.594365,0.000000,7.912535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1375908.b3dm"}}}