{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949427,-0.313987,0.000000,0.000000,0.175535,-0.530779,0.829133,0.000000,-0.259788,0.785543,0.561634,0.000000,-1658718.507232,5015598.187127,3561958.957798,1],    "boundingVolume": {    "region": [1.890136,0.596318,1.890235,0.596400,0.000000,11.087442]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409125.b3dm"}}}