{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312765,0.000000,0.000000,0.114918,-0.348993,0.930052,0.000000,-0.290623,0.882587,0.369566,0.000000,-1854481.701775,5631833.552193,2342434.722130,1],    "boundingVolume": {    "region": [1.888896,0.378535,1.888903,0.378549,0.000000,6.884279]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1.b3dm"}}}