{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950301,-0.311334,0.000000,0.000000,0.173998,-0.531104,0.829249,0.000000,-0.257630,0.786376,0.561462,0.000000,-1644934.226909,5020917.160480,3560864.874628,1],    "boundingVolume": {    "region": [1.887317,0.596058,1.887469,0.596244,0.000000,8.617396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431618.b3dm"}}}