{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942906,-0.333058,0.000000,0.000000,0.186563,-0.528170,0.828391,0.000000,-0.275319,0.779443,0.562733,0.000000,-1757885.034756,4976669.528607,3568947.829451,1],    "boundingVolume": {    "region": [1.910279,0.597657,1.910404,0.597720,0.000000,8.663830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/15_1287476.b3dm"}}}