{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948749,-0.316030,0.000000,0.000000,0.176306,-0.529285,0.829924,0.000000,-0.261731,0.785737,0.560458,0.000000,-1671113.584451,5016818.435110,3554489.317538,1],    "boundingVolume": {    "region": [1.892291,0.594828,1.892387,0.595051,0.000000,8.707297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1178106.b3dm"}}}