{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949677,-0.313230,0.000000,0.000000,0.174721,-0.529736,0.829971,0.000000,-0.259427,0.786552,0.560387,0.000000,-1656400.028341,5022017.097785,3554038.120652,1],    "boundingVolume": {    "region": [1.889307,0.594721,1.889469,0.594986,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376116.b3dm"}}}