{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871399,-0.490576,0.000000,0.000000,0.211812,-0.376236,0.901988,0.000000,-0.441937,0.785002,0.434124,0.000000,-2820512.648081,5010011.858621,2752103.869893,1],    "boundingVolume": {    "region": [2.083491,0.449025,2.083603,0.449106,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224496.b3dm"}}}