{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310471,0.000000,0.000000,0.173613,-0.531558,0.829038,0.000000,-0.256850,0.786408,0.561774,0.000000,-1639957.480414,5021126.388808,3562851.424616,1],    "boundingVolume": {    "region": [1.886436,0.596479,1.886534,0.596578,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390336.b3dm"}}}