{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950017,-0.312197,0.000000,0.000000,0.174504,-0.531017,0.829198,0.000000,-0.258328,0.786093,0.561537,0.000000,-1649392.206715,5019111.944606,3561344.411418,1],    "boundingVolume": {    "region": [1.888215,0.596140,1.888387,0.596345,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1438435.b3dm"}}}