{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950910,-0.309468,0.000000,0.000000,0.173078,-0.531820,0.828982,0.000000,-0.256002,0.786625,0.561857,0.000000,-1634546.906384,5022515.053997,3563376.871912,1],    "boundingVolume": {    "region": [1.885347,0.596544,1.885512,0.596713,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386556.b3dm"}}}