{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948887,-0.315617,0.000000,0.000000,0.176455,-0.530503,0.829114,0.000000,-0.261131,0.785078,0.561662,0.000000,-1667289.837786,5012628.546779,3562136.298932,1],    "boundingVolume": {    "region": [1.891834,0.596340,1.891972,0.596446,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1055976.b3dm"}}}