{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949644,-0.313330,0.000000,0.000000,0.174759,-0.529663,0.830010,0.000000,-0.259521,0.786561,0.560330,0.000000,-1657004.731449,5022077.100407,3553673.889436,1],    "boundingVolume": {    "region": [1.889412,0.594651,1.889575,0.594917,0.000000,8.790357]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1379609.b3dm"}}}