{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898000,-0.439996,0.000000,0.000000,0.284417,-0.580475,0.762991,0.000000,-0.334768,0.683238,0.648934,0.000000,-2138215.288177,4363941.440344,4117091.766184,1],    "boundingVolume": {    "region": [2.026324,0.706072,2.026457,0.706294,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820647.b3dm"}}}