{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949368,-0.314166,0.000000,0.000000,0.175236,-0.529540,0.829988,0.000000,-0.260207,0.786311,0.560363,0.000000,-1661382.218538,5020480.780103,3553884.210383,1],    "boundingVolume": {    "region": [1.890293,0.594691,1.890455,0.594957,0.000000,8.789339]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1379392.b3dm"}}}