{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950470,-0.310818,0.000000,0.000000,0.173698,-0.531164,0.829273,0.000000,-0.257210,0.786539,0.561425,0.000000,-1642255.194185,5021957.723225,3560635.604192,1],    "boundingVolume": {    "region": [1.886801,0.596058,1.886898,0.596157,0.000000,8.801904]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1426716.b3dm"}}}