{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949722,-0.313095,0.000000,0.000000,0.174849,-0.530376,0.829535,0.000000,-0.259178,0.786172,0.561036,0.000000,-1654815.686784,5019600.954137,3558159.287192,1],    "boundingVolume": {    "region": [1.889170,0.595552,1.889324,0.595721,0.000000,8.717462]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1354025.b3dm"}}}