{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948369,-0.317168,0.000000,0.000000,0.116399,-0.348048,0.930223,0.000000,-0.294768,0.881392,0.369133,0.000000,-1880931.077594,5624205.810869,2339689.270132,1],    "boundingVolume": {    "region": [1.893505,0.378046,1.893571,0.378107,0.000000,12.029609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/15.b3dm"}}}