{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949828,-0.312774,0.000000,0.000000,0.174630,-0.530315,0.829621,0.000000,-0.258938,0.786341,0.560909,0.000000,-1653287.103881,5020680.355278,3557352.306146,1],    "boundingVolume": {    "region": [1.888826,0.595418,1.888990,0.595549,0.000000,8.776430]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1355156.b3dm"}}}