{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950036,-0.312140,0.000000,0.000000,0.174602,-0.531422,0.828918,0.000000,-0.258193,0.785841,0.561952,0.000000,-1648533.406163,5017509.174302,3563981.765761,1],    "boundingVolume": {    "region": [1.888172,0.596639,1.888310,0.596848,0.000000,8.727795]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1407855.b3dm"}}}