{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950556,-0.310553,0.000000,0.000000,0.173863,-0.532168,0.828595,0.000000,-0.256779,0.785962,0.562431,0.000000,-1639506.745591,5018288.921641,3567025.982379,1],    "boundingVolume": {    "region": [1.886522,0.597274,1.886620,0.597372,0.000000,11.583582]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1385166.b3dm"}}}