{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949313,-0.314333,0.000000,0.000000,0.175805,-0.530947,0.828968,0.000000,-0.260023,0.785291,0.561878,0.000000,-1660215.350893,5013992.226794,3563511.785620,1],    "boundingVolume": {    "region": [1.890500,0.596644,1.890601,0.596665,0.000000,8.039070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421386.b3dm"}}}