{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871407,-0.490561,0.000000,0.000000,0.211799,-0.376228,0.901994,0.000000,-0.441927,0.785015,0.434111,0.000000,-2820449.164455,5010094.023382,2752019.918887,1],    "boundingVolume": {    "region": [2.083474,0.449011,2.083586,0.449091,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224078.b3dm"}}}