{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949010,-0.315244,0.000000,0.000000,0.175826,-0.529306,0.830013,0.000000,-0.261108,0.786039,0.560326,0.000000,-1667136.680921,5018740.653612,3553648.819828,1],    "boundingVolume": {    "region": [1.891463,0.594684,1.891558,0.594875,0.000000,15.112235]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1091878.b3dm"}}}