{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895637,-0.444786,0.000000,0.000000,0.284295,-0.572467,0.769063,0.000000,-0.341127,0.686906,0.641711,0.000000,-2178760.653560,4387231.747605,4071133.736882,1],    "boundingVolume": {    "region": [2.031671,0.696668,2.031792,0.696786,0.000000,47.144606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_686988.b3dm"}}}