{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949297,-0.314381,0.000000,0.000000,0.175759,-0.530716,0.829126,0.000000,-0.260113,0.785428,0.561644,0.000000,-1660787.645203,5014865.613611,3562025.820057,1],    "boundingVolume": {    "region": [1.890552,0.596331,1.890651,0.596413,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417014.b3dm"}}}