{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949083,-0.315027,0.000000,0.000000,0.116145,-0.349910,0.929555,0.000000,-0.292566,0.881415,0.370826,0.000000,-1866885.337191,5624377.316514,2350429.334946,1],    "boundingVolume": {    "region": [1.891227,0.379841,1.891335,0.379956,0.000000,68.927894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_366.b3dm"}}}