{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897629,-0.440753,0.000000,0.000000,0.283174,-0.576707,0.766304,0.000000,-0.336812,0.685944,0.645010,0.000000,-2151229.730788,4381153.163694,4092124.517148,1],    "boundingVolume": {    "region": [2.027170,0.701002,2.027297,0.701071,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861877.b3dm"}}}