{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949633,-0.313363,0.000000,0.000000,0.175150,-0.530785,0.829210,0.000000,-0.259297,0.785788,0.561519,0.000000,-1655579.016846,5017158.134771,3561227.507777,1],    "boundingVolume": {    "region": [1.889480,0.596179,1.889578,0.596261,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443542.b3dm"}}}