{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949038,-0.315162,0.000000,0.000000,0.175755,-0.529247,0.830065,0.000000,-0.261056,0.786111,0.560248,0.000000,-1666805.883299,5019202.466571,3553155.047641,1],    "boundingVolume": {    "region": [1.891376,0.594590,1.891471,0.594781,0.000000,13.384567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1092260.b3dm"}}}