{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948740,-0.316059,0.000000,0.000000,0.176375,-0.529440,0.829810,0.000000,-0.261718,0.785621,0.560628,0.000000,-1671032.657418,5016077.742367,3555565.287452,1],    "boundingVolume": {    "region": [1.892321,0.595032,1.892417,0.595255,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1074553.b3dm"}}}