{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949071,-0.315063,0.000000,0.000000,0.176205,-0.530785,0.828987,0.000000,-0.260633,0.785108,0.561850,0.000000,-1664109.389969,5012826.534154,3563336.610335,1],    "boundingVolume": {    "region": [1.891269,0.596610,1.891370,0.596632,0.000000,34.722888]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10.b3dm"}}}