{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949513,-0.313727,0.000000,0.000000,0.115664,-0.350063,0.929558,0.000000,-0.291359,0.881818,0.370820,0.000000,-1859186.245628,5626943.380936,2350390.402580,1],    "boundingVolume": {    "region": [1.889857,0.379834,1.889966,0.379950,0.000000,4.562201]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/21_74546.b3dm"}}}