{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949685,-0.313207,0.000000,0.000000,0.174751,-0.529868,0.829880,0.000000,-0.259379,0.786471,0.560523,0.000000,-1656096.005540,5021503.825881,3554899.132582,1],    "boundingVolume": {    "region": [1.889283,0.594884,1.889445,0.595150,0.000000,8.611987]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1357667.b3dm"}}}