{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950676,-0.310185,0.000000,0.000000,0.173545,-0.531893,0.828838,0.000000,-0.256550,0.786294,0.562071,0.000000,-1638046.641948,5020401.813733,3564738.309080,1],    "boundingVolume": {    "region": [1.886101,0.596803,1.886266,0.596972,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396452.b3dm"}}}