{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948809,-0.315851,0.000000,0.000000,0.176266,-0.529500,0.829795,0.000000,-0.261541,0.785664,0.560650,0.000000,-1669904.620730,5016353.697838,3555704.995231,1],    "boundingVolume": {    "region": [1.892102,0.595059,1.892198,0.595282,0.000000,8.815350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1179134.b3dm"}}}