{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950319,-0.311278,0.000000,0.000000,0.174024,-0.531287,0.829126,0.000000,-0.257545,0.786274,0.561644,0.000000,-1644395.205760,5020266.119300,3562023.759800,1],    "boundingVolume": {    "region": [1.887258,0.596279,1.887410,0.596464,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397498.b3dm"}}}