{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950819,-0.309746,0.000000,0.000000,0.173147,-0.531503,0.829171,0.000000,-0.256292,0.786731,0.561577,0.000000,-1636391.522415,5023184.185554,3561598.601995,1],    "boundingVolume": {    "region": [1.885650,0.596181,1.885795,0.596400,0.000000,8.813563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1423679.b3dm"}}}