{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950470,-0.310815,0.000000,0.000000,0.173700,-0.531174,0.829266,0.000000,-0.257206,0.786533,0.561436,0.000000,-1642226.679391,5021918.929534,3560703.015676,1],    "boundingVolume": {    "region": [1.886798,0.596071,1.886896,0.596170,0.000000,8.817212]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1426795.b3dm"}}}