{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949418,-0.314015,0.000000,0.000000,0.175555,-0.530788,0.829123,0.000000,-0.259808,0.785526,0.561648,0.000000,-1658844.295761,5015489.737775,3562052.453535,1],    "boundingVolume": {    "region": [1.890165,0.596336,1.890264,0.596418,0.000000,11.731063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1409680.b3dm"}}}