{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950150,-0.311794,0.000000,0.000000,0.173843,-0.529764,0.830138,0.000000,-0.258289,0.787103,0.560140,0.000000,-1649136.713196,5025528.211809,3552463.015900,1],    "boundingVolume": {    "region": [1.887794,0.594489,1.887958,0.594620,0.000000,7.992251]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1378092.b3dm"}}}