{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950340,-0.311214,0.000000,0.000000,0.174189,-0.531913,0.828690,0.000000,-0.257355,0.785874,0.562290,0.000000,-1643187.740214,5017724.073403,3566132.715603,1],    "boundingVolume": {    "region": [1.887218,0.597104,1.887316,0.597202,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1385603.b3dm"}}}