{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950295,-0.311352,0.000000,0.000000,0.174238,-0.531801,0.828751,0.000000,-0.257489,0.785895,0.562199,0.000000,-1644039.161926,5017859.149520,3565554.090509,1],    "boundingVolume": {    "region": [1.887363,0.596993,1.887461,0.597092,0.000000,8.622063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1326468.b3dm"}}}