{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311614,0.000000,0.000000,0.174164,-0.531079,0.829230,0.000000,-0.257856,0.786282,0.561489,0.000000,-1646377.394824,5020317.489047,3561042.216756,1],    "boundingVolume": {    "region": [1.887619,0.596080,1.887757,0.596289,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432007.b3dm"}}}