{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948988,-0.315313,0.000000,0.000000,0.176057,-0.529871,0.829603,0.000000,-0.261035,0.785628,0.560936,0.000000,-1666673.458943,5016129.407362,3557524.700015,1],    "boundingVolume": {    "region": [1.891514,0.595463,1.891652,0.595569,0.000000,8.815893]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1071288.b3dm"}}}