{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949090,-0.315005,0.000000,0.000000,0.116006,-0.349520,0.929719,0.000000,-0.292598,0.881579,0.370411,0.000000,-1867086.544887,5625418.394070,2347794.343286,1],    "boundingVolume": {    "region": [1.891204,0.379394,1.891312,0.379509,0.000000,46.213196]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/17_7131.b3dm"}}}