{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950541,-0.310600,0.000000,0.000000,0.173696,-0.531569,0.829014,0.000000,-0.256949,0.786350,0.561810,0.000000,-1640591.976125,5020757.835839,3563077.167872,1],    "boundingVolume": {    "region": [1.886572,0.596522,1.886670,0.596621,0.000000,12.097908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1329794.b3dm"}}}