{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948814,-0.315836,0.000000,0.000000,0.176088,-0.528992,0.830157,0.000000,-0.261644,0.786014,0.560111,0.000000,-1670556.708131,5018577.833022,3552281.617557,1],    "boundingVolume": {    "region": [1.892086,0.594408,1.892182,0.594631,0.000000,8.761546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_1213018.b3dm"}}}