{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311206,0.000000,0.000000,0.173934,-0.531150,0.829233,0.000000,-0.257519,0.786396,0.561485,0.000000,-1644227.870738,5021040.654843,3561015.950373,1],    "boundingVolume": {    "region": [1.887182,0.596087,1.887334,0.596272,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431937.b3dm"}}}