{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949243,-0.314543,0.000000,0.000000,0.175676,-0.530163,0.829497,0.000000,-0.260364,0.785739,0.561093,0.000000,-1662387.427314,5016839.575552,3558521.818909,1],    "boundingVolume": {    "region": [1.890710,0.595664,1.890832,0.595747,0.000000,9.465806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6.b3dm"}}}