{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949119,-0.314917,0.000000,0.000000,0.115715,-0.348749,0.930045,0.000000,-0.292620,0.881919,0.369584,0.000000,-1867221.850197,5627573.865476,2342550.588909,1],    "boundingVolume": {    "region": [1.891113,0.378527,1.891218,0.378597,0.000000,60.062107]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/16_9738.b3dm"}}}