{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949728,-0.313076,0.000000,0.000000,0.174960,-0.530747,0.829275,0.000000,-0.259080,0.785928,0.561423,0.000000,-1654191.613441,5018052.135265,3560616.685950,1],    "boundingVolume": {    "region": [1.889150,0.596020,1.889303,0.596188,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349806.b3dm"}}}