{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898010,-0.439976,0.000000,0.000000,0.284396,-0.580465,0.763007,0.000000,-0.334760,0.683260,0.648916,0.000000,-2138161.068854,4364081.860169,4116971.889421,1],    "boundingVolume": {    "region": [2.026302,0.706047,2.026434,0.706270,0.000000,6.721602]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820360.b3dm"}}}