{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950629,-0.310328,0.000000,0.000000,0.173621,-0.531854,0.828846,0.000000,-0.256672,0.786263,0.562058,0.000000,-1638821.328691,5020206.918317,3564657.266644,1],    "boundingVolume": {    "region": [1.886252,0.596788,1.886417,0.596957,0.000000,8.802436]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396269.b3dm"}}}