{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948958,-0.315404,0.000000,0.000000,0.176014,-0.529576,0.829800,0.000000,-0.261173,0.785792,0.560642,0.000000,-1667550.098893,5017170.463528,3555657.933544,1],    "boundingVolume": {    "region": [1.891631,0.595066,1.891726,0.595256,0.000000,8.807851]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/29_1074232.b3dm"}}}