{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950535,-0.310617,0.000000,0.000000,0.173541,-0.531063,0.829371,0.000000,-0.257075,0.786687,0.561280,0.000000,-1641388.156035,5022899.094278,3559713.647880,1],    "boundingVolume": {    "region": [1.886580,0.595875,1.886696,0.595989,0.000000,8.813019]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1426015.b3dm"}}}