{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950869,-0.309595,0.000000,0.000000,0.172984,-0.531291,0.829341,0.000000,-0.256219,0.786935,0.561324,0.000000,-1635928.061984,5024481.168638,3559992.503725,1],    "boundingVolume": {    "region": [1.885490,0.595875,1.885636,0.596095,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339695.b3dm"}}}