{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949060,-0.315096,0.000000,0.000000,0.115831,-0.348879,0.929982,0.000000,-0.292766,0.881803,0.369744,0.000000,-1868155.912729,5626838.412209,2343565.494424,1],    "boundingVolume": {    "region": [1.891301,0.378699,1.891406,0.378769,0.000000,63.026825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/18_10249.b3dm"}}}