{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942976,-0.332859,0.000000,0.000000,0.186527,-0.528423,0.828237,0.000000,-0.275103,0.779355,0.562960,0.000000,-1756508.315374,4976114.502394,3570389.562646,1],    "boundingVolume": {    "region": [1.910068,0.597923,1.910193,0.598003,0.000000,7.871036]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1249217.b3dm"}}}