{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948621,-0.316415,0.000000,0.000000,0.176640,-0.529571,0.829671,0.000000,-0.261969,0.785390,0.560835,0.000000,-1672633.611747,5014604.362563,3556881.690456,1],    "boundingVolume": {    "region": [1.892696,0.595282,1.892792,0.595505,0.000000,8.724913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1072721.b3dm"}}}