{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871358,-0.490647,0.000000,0.000000,0.211835,-0.376206,0.901995,0.000000,-0.442004,0.784972,0.434109,0.000000,-2820944.834914,5009821.095804,2752008.809011,1],    "boundingVolume": {    "region": [2.083572,0.449009,2.083685,0.449090,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_223990.b3dm"}}}