{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948955,-0.315411,0.000000,0.000000,0.175853,-0.529077,0.830152,0.000000,-0.261291,0.786127,0.560118,0.000000,-1668300.806871,5019297.330871,3552324.945597,1],    "boundingVolume": {    "region": [1.891639,0.594433,1.891734,0.594623,0.000000,8.804649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/26_1092876.b3dm"}}}