{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948822,-0.315812,0.000000,0.000000,0.176291,-0.529647,0.829696,0.000000,-0.261478,0.785580,0.560797,0.000000,-1669499.487043,5015818.458038,3556643.858038,1],    "boundingVolume": {    "region": [1.892061,0.595237,1.892157,0.595460,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180075.b3dm"}}}