{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948566,-0.316581,0.000000,0.000000,0.117149,-0.351012,0.929014,0.000000,-0.293836,0.880416,0.372194,0.000000,-1874995.724623,5618017.833248,2359107.949799,1],    "boundingVolume": {    "region": [1.892835,0.381266,1.893003,0.381477,0.000000,22.564047]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_68973.b3dm"}}}