{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948932,-0.315481,0.000000,0.000000,0.116018,-0.348968,0.929925,0.000000,-0.293106,0.881630,0.369889,0.000000,-1870326.350616,5625733.592085,2344480.378521,1],    "boundingVolume": {    "region": [1.891707,0.378854,1.891812,0.378924,0.000000,10.740718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/10/21_7710.b3dm"}}}