{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950592,-0.310444,0.000000,0.000000,0.114666,-0.351112,0.929286,0.000000,-0.288226,0.882557,0.371509,0.000000,-1839192.994245,5631672.886218,2354759.317954,1],    "boundingVolume": {    "region": [1.886379,0.380587,1.886535,0.380681,0.000000,4.467713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/31/12_70349.b3dm"}}}