{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950884,-0.309546,0.000000,0.000000,0.172897,-0.531117,0.829471,0.000000,-0.256219,0.787072,0.561132,0.000000,-1635927.464575,5025353.737628,3558769.183022,1],    "boundingVolume": {    "region": [1.885439,0.595643,1.885585,0.595862,0.000000,8.789350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1340301.b3dm"}}}