{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949681,-0.313220,0.000000,0.000000,0.174711,-0.529721,0.829983,0.000000,-0.259422,0.786565,0.560370,0.000000,-1656372.147912,5022103.562251,3553929.664543,1],    "boundingVolume": {    "region": [1.889297,0.594700,1.889459,0.594966,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376194.b3dm"}}}