{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949902,-0.312546,0.000000,0.000000,0.174506,-0.530364,0.829615,0.000000,-0.258748,0.786398,0.560917,0.000000,-1652073.665718,5021043.099733,3557403.721269,1],    "boundingVolume": {    "region": [1.888587,0.595427,1.888751,0.595559,0.000000,8.763044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1355042.b3dm"}}}