{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948766,-0.315978,0.000000,0.000000,0.176411,-0.529698,0.829638,0.000000,-0.261597,0.785479,0.560883,0.000000,-1670261.301683,5015175.959140,3557188.502855,1],    "boundingVolume": {    "region": [1.892236,0.595341,1.892332,0.595564,0.000000,6.974939]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1071912.b3dm"}}}