{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949721,-0.313096,0.000000,0.000000,0.174985,-0.530786,0.829244,0.000000,-0.259087,0.785893,0.561468,0.000000,-1654237.278370,5017829.861470,3560906.752053,1],    "boundingVolume": {    "region": [1.889171,0.596075,1.889324,0.596243,0.000000,10.624152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349227.b3dm"}}}