{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950175,-0.311718,0.000000,0.000000,0.174062,-0.530575,0.829574,0.000000,-0.258049,0.786583,0.560979,0.000000,-1647610.519032,5022227.933323,3557798.431370,1],    "boundingVolume": {    "region": [1.887747,0.595510,1.887846,0.595626,0.000000,8.820354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1455980.b3dm"}}}