{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948683,-0.316228,0.000000,0.000000,0.116240,-0.348719,0.929991,0.000000,-0.293821,0.881462,0.369721,0.000000,-1874888.714475,5624659.742536,2343419.713151,1],    "boundingVolume": {    "region": [1.892495,0.378674,1.892600,0.378744,0.000000,31.303290]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_12456.b3dm"}}}