{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950877,-0.309569,0.000000,0.000000,0.172993,-0.531370,0.829288,0.000000,-0.256181,0.786891,0.561403,0.000000,-1635685.715292,5024203.619257,3560492.173730,1],    "boundingVolume": {    "region": [1.885463,0.595970,1.885609,0.596190,0.000000,8.360134]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339423.b3dm"}}}