{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949286,-0.314415,0.000000,0.000000,0.175779,-0.530713,0.829124,0.000000,-0.260140,0.785417,0.561647,0.000000,-1660961.455686,5014794.156266,3562045.247889,1],    "boundingVolume": {    "region": [1.890587,0.596335,1.890686,0.596416,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417086.b3dm"}}}