{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948820,-0.315818,0.000000,0.000000,0.176293,-0.529643,0.829698,0.000000,-0.261483,0.785581,0.560794,0.000000,-1669532.115782,5015824.598423,3556620.042692,1],    "boundingVolume": {    "region": [1.892067,0.595233,1.892162,0.595456,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072999.b3dm"}}}