{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949539,-0.313650,0.000000,0.000000,0.175087,-0.530055,0.829690,0.000000,-0.259686,0.786168,0.560806,0.000000,-1658057.862430,5019574.498517,3556696.826200,1],    "boundingVolume": {    "region": [1.889750,0.595226,1.889912,0.595491,0.000000,8.806784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1368221.b3dm"}}}