{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896619,-0.442803,0.000000,0.000000,0.282856,-0.572748,0.769384,0.000000,-0.339749,0.687949,0.641324,0.000000,-2169956.622332,4393886.788000,4068674.520764,1],    "boundingVolume": {    "region": [2.029427,0.696166,2.029610,0.696279,0.000000,61.717722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491762.b3dm"}}}