{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950597,-0.310427,0.000000,0.000000,0.173577,-0.531531,0.829063,0.000000,-0.256821,0.786444,0.561737,0.000000,-1639771.787231,5021355.554760,3562615.504330,1],    "boundingVolume": {    "region": [1.886389,0.596434,1.886487,0.596533,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389595.b3dm"}}}