{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950076,-0.312020,0.000000,0.000000,0.174507,-0.531359,0.828979,0.000000,-0.258112,0.785932,0.561863,0.000000,-1648017.812626,5018084.871098,3563413.468297,1],    "boundingVolume": {    "region": [1.888045,0.596531,1.888184,0.596740,0.000000,8.673000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1399495.b3dm"}}}