{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949661,-0.313278,0.000000,0.000000,0.174846,-0.530024,0.829761,0.000000,-0.259400,0.786337,0.560700,0.000000,-1656233.339315,5020653.915623,3556027.810656,1],    "boundingVolume": {    "region": [1.889358,0.595099,1.889520,0.595364,0.000000,7.879734]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356587.b3dm"}}}