{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949602,-0.313458,0.000000,0.000000,0.174936,-0.529958,0.829784,0.000000,-0.259556,0.786311,0.560666,0.000000,-1657230.424216,5020481.414671,3555808.292418,1],    "boundingVolume": {    "region": [1.889548,0.595057,1.889710,0.595323,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369536.b3dm"}}}