{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898147,-0.439695,0.000000,0.000000,0.281126,-0.574244,0.768903,0.000000,-0.337153,0.688687,0.641902,0.000000,-2153377.395542,4398610.538121,4072352.457186,1],    "boundingVolume": {    "region": [2.026009,0.696948,2.026102,0.697005,0.000000,37.005327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_751643.b3dm"}}}