{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949099,-0.314977,0.000000,0.000000,0.176001,-0.530334,0.829319,0.000000,-0.260666,0.785449,0.561358,0.000000,-1664321.330612,5014994.325448,3560207.071561,1],    "boundingVolume": {    "region": [1.891160,0.595973,1.891297,0.596079,0.000000,11.675874]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1360306.b3dm"}}}