{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316345,0.000000,0.000000,0.176505,-0.529297,0.829874,0.000000,-0.261975,0.785603,0.560532,0.000000,-1672674.215591,5015963.696916,3554958.342694,1],    "boundingVolume": {    "region": [1.892622,0.594917,1.892718,0.595140,0.000000,8.816774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1182738.b3dm"}}}