{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950868,-0.309598,0.000000,0.000000,0.172983,-0.531283,0.829346,0.000000,-0.256224,0.786939,0.561317,0.000000,-1635955.289223,5024503.672290,3559948.526819,1],    "boundingVolume": {    "region": [1.885494,0.595867,1.885639,0.596087,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422339.b3dm"}}}