{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949595,-0.313480,0.000000,0.000000,0.174947,-0.529949,0.829787,0.000000,-0.259576,0.786307,0.560661,0.000000,-1657354.388786,5020461.869835,3555778.312387,1],    "boundingVolume": {    "region": [1.889571,0.595051,1.889733,0.595317,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369650.b3dm"}}}