{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898028,-0.439939,0.000000,0.000000,0.284385,-0.580502,0.762982,0.000000,-0.334721,0.683251,0.648945,0.000000,-2137913.658080,4364026.693268,4117157.597456,1],    "boundingVolume": {    "region": [2.026261,0.706085,2.026393,0.706308,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820823.b3dm"}}}