{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950398,-0.311038,0.000000,0.000000,0.173945,-0.531501,0.829005,0.000000,-0.257308,0.786224,0.561823,0.000000,-1642882.991089,5019947.905526,3563162.163550,1],    "boundingVolume": {    "region": [1.887032,0.596538,1.887130,0.596637,0.000000,8.742048]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1329468.b3dm"}}}