{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950741,-0.309987,0.000000,0.000000,0.173322,-0.531586,0.829081,0.000000,-0.256463,0.786580,0.561710,0.000000,-1637483.431131,5022224.910952,3562443.761907,1],    "boundingVolume": {    "region": [1.885893,0.596367,1.886058,0.596536,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1385960.b3dm"}}}