{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949285,-0.314418,0.000000,0.000000,0.175782,-0.530716,0.829121,0.000000,-0.260141,0.785413,0.561652,0.000000,-1660970.480280,5014770.133157,3562074.662044,1],    "boundingVolume": {    "region": [1.890590,0.596340,1.890689,0.596422,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417184.b3dm"}}}