{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944021,-0.329884,0.000000,0.000000,0.184412,-0.527726,0.829155,0.000000,-0.272949,0.781091,0.561601,0.000000,-1742745.084359,4987171.586462,3561754.181225,1],    "boundingVolume": {    "region": [1.906929,0.596263,1.907025,0.596378,0.000000,8.722872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1250879.b3dm"}}}