{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950763,-0.309918,0.000000,0.000000,0.173258,-0.531518,0.829138,0.000000,-0.256423,0.786654,0.561626,0.000000,-1637232.743127,5022689.858871,3561907.058886,1],    "boundingVolume": {    "region": [1.885820,0.596265,1.885986,0.596434,0.000000,8.813511]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0_1385771.b3dm"}}}