{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950546,-0.310584,0.000000,0.000000,0.173475,-0.530922,0.829475,0.000000,-0.257080,0.786796,0.561126,0.000000,-1641423.254671,5023586.893661,3558733.355440,1],    "boundingVolume": {    "region": [1.886546,0.595689,1.886662,0.595803,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1343792.b3dm"}}}