{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942887,-0.333113,0.000000,0.000000,0.186671,-0.528378,0.828234,0.000000,-0.275311,0.779278,0.562965,0.000000,-1757839.811410,4975620.528518,3570422.468276,1],    "boundingVolume": {    "region": [1.910337,0.597938,1.910462,0.598001,0.000000,8.689124]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/20_1249212.b3dm"}}}