{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949345,-0.314237,0.000000,0.000000,0.175280,-0.529540,0.829978,0.000000,-0.260263,0.786283,0.560377,0.000000,-1661737.963014,5020300.248926,3553972.320155,1],    "boundingVolume": {    "region": [1.890368,0.594708,1.890530,0.594974,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1379262.b3dm"}}}