{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949639,-0.313347,0.000000,0.000000,0.174939,-0.530175,0.829645,0.000000,-0.259420,0.786207,0.560873,0.000000,-1656364.325301,5019827.417020,3557126.042450,1],    "boundingVolume": {    "region": [1.889462,0.595399,1.889561,0.595481,0.000000,10.530186]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/2_1367800.b3dm"}}}