{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897033,-0.441964,0.000000,0.000000,0.287249,-0.583016,0.759987,0.000000,-0.334931,0.679794,0.652458,0.000000,-2139286.469207,4342011.339885,4139509.345055,1],    "boundingVolume": {    "region": [2.028493,0.710771,2.028672,0.710876,0.000000,10.537637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780830.b3dm"}}}