{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948542,-0.316651,0.000000,0.000000,0.116449,-0.348830,0.929923,0.000000,-0.294192,0.881266,0.369894,0.000000,-1877256.557942,5623410.188076,2344515.284958,1],    "boundingVolume": {    "region": [1.892940,0.378860,1.893045,0.378930,0.000000,7.640393]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/22/21_8031.b3dm"}}}