{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950161,-0.311759,0.000000,0.000000,0.173891,-0.529974,0.829994,0.000000,-0.258216,0.786974,0.560354,0.000000,-1648667.515240,5024710.209682,3553828.432141,1],    "boundingVolume": {    "region": [1.887758,0.594748,1.887922,0.594879,0.000000,8.799563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1376408.b3dm"}}}