{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896313,-0.443421,0.000000,0.000000,0.283819,-0.573700,0.768320,0.000000,-0.339749,0.686755,0.642602,0.000000,-2169967.722160,4386286.470212,4076806.333749,1],    "boundingVolume": {    "region": [2.030142,0.697830,2.030275,0.697949,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540350.b3dm"}}}