{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898021,-0.439953,0.000000,0.000000,0.281288,-0.574158,0.768908,0.000000,-0.337352,0.688595,0.641896,0.000000,-2154653.865763,4398021.604395,4072313.620909,1],    "boundingVolume": {    "region": [2.026296,0.696940,2.026389,0.696997,0.000000,48.759806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_751495.b3dm"}}}