{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950648,-0.310270,0.000000,0.000000,0.173586,-0.531857,0.828852,0.000000,-0.256625,0.786285,0.562050,0.000000,-1638525.912741,5020341.801602,3564603.469102,1],    "boundingVolume": {    "region": [1.886191,0.596777,1.886356,0.596947,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396174.b3dm"}}}