{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950323,-0.311265,0.000000,0.000000,0.174092,-0.531521,0.828962,0.000000,-0.257483,0.786120,0.561888,0.000000,-1643998.182767,5019289.802794,3563572.120848,1],    "boundingVolume": {    "region": [1.887244,0.596573,1.887396,0.596758,0.000000,8.722073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1399747.b3dm"}}}