{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949090,-0.315006,0.000000,0.000000,0.115982,-0.349445,0.929751,0.000000,-0.292609,0.881609,0.370332,0.000000,-1867156.622436,5625604.854814,2347295.148332,1],    "boundingVolume": {    "region": [1.891205,0.379309,1.891313,0.379424,0.000000,44.705272]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6884.b3dm"}}}