{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950474,-0.310804,0.000000,0.000000,0.173419,-0.530335,0.829862,0.000000,-0.257383,0.787106,0.560551,0.000000,-1643355.325497,5025560.619066,3555077.731351,1],    "boundingVolume": {    "region": [1.886744,0.594978,1.886927,0.595124,0.000000,8.735593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1449512.b3dm"}}}