{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951012,-0.309155,0.000000,0.000000,0.172766,-0.531458,0.829280,0.000000,-0.255836,0.786994,0.561416,0.000000,-1633482.589431,5024862.024705,3560573.918031,1],    "boundingVolume": {    "region": [1.885028,0.595986,1.885173,0.596205,0.000000,8.818356]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1422908.b3dm"}}}