{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948819,-0.315821,0.000000,0.000000,0.176306,-0.529675,0.829675,0.000000,-0.261478,0.785558,0.560828,0.000000,-1669501.907605,5015677.921129,3556839.589094,1],    "boundingVolume": {    "region": [1.892070,0.595274,1.892166,0.595497,0.000000,8.738908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072823.b3dm"}}}