{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897646,-0.440718,0.000000,0.000000,0.283150,-0.576715,0.766307,0.000000,-0.336786,0.685960,0.645007,0.000000,-2151066.618881,4381250.363483,4092106.318223,1],    "boundingVolume": {    "region": [2.027131,0.700998,2.027258,0.701067,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861856.b3dm"}}}