{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949632,-0.313366,0.000000,0.000000,0.175156,-0.530796,0.829202,0.000000,-0.259297,0.785779,0.561530,0.000000,-1655578.646478,5017104.745198,3561302.390833,1],    "boundingVolume": {    "region": [1.889483,0.596193,1.889581,0.596275,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443691.b3dm"}}}