{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950430,-0.310938,0.000000,0.000000,0.173375,-0.529946,0.830120,0.000000,-0.257575,0.787317,0.560167,0.000000,-1644577.780077,5026899.812551,3552634.679446,1],    "boundingVolume": {    "region": [1.886927,0.594528,1.887026,0.594645,0.000000,8.585346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1375749.b3dm"}}}