{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948864,-0.315684,0.000000,0.000000,0.176486,-0.530470,0.829128,0.000000,-0.261191,0.785073,0.561640,0.000000,-1667676.170604,5012597.847147,3561999.570587,1],    "boundingVolume": {    "region": [1.891905,0.596314,1.892043,0.596420,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112106.b3dm"}}}