{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948639,-0.316360,0.000000,0.000000,0.176511,-0.529289,0.829877,0.000000,-0.261989,0.785602,0.560527,0.000000,-1672760.109980,5015957.316290,3554927.139808,1],    "boundingVolume": {    "region": [1.892638,0.594911,1.892734,0.595134,0.000000,8.419536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1075500.b3dm"}}}