{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950517,-0.310672,0.000000,0.000000,0.173743,-0.531575,0.829000,0.000000,-0.257004,0.786318,0.561831,0.000000,-1640940.640425,5020549.108861,3563209.827008,1],    "boundingVolume": {    "region": [1.886647,0.596548,1.886745,0.596646,0.000000,12.097908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1392206.b3dm"}}}