{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949680,-0.313223,0.000000,0.000000,0.174710,-0.529714,0.829987,0.000000,-0.259426,0.786569,0.560364,0.000000,-1656394.960661,5022126.832328,3553886.439910,1],    "boundingVolume": {    "region": [1.889300,0.594692,1.889462,0.594957,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376258.b3dm"}}}