{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891160,-0.453690,0.000000,0.000000,0.292037,-0.573634,0.765283,0.000000,-0.346232,0.680087,0.646224,0.000000,-2211410.737682,4343763.506535,4099845.162424,1],    "boundingVolume": {    "region": [2.041650,0.702582,2.041745,0.702669,0.000000,9.496409]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045491.b3dm"}}}