{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950623,-0.310349,0.000000,0.000000,0.173365,-0.531028,0.829430,0.000000,-0.256871,0.786816,0.561193,0.000000,-1640090.350543,5023719.031964,3559158.469504,1],    "boundingVolume": {    "region": [1.886299,0.595769,1.886414,0.595884,0.000000,8.818112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425171.b3dm"}}}