{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948838,-0.315764,0.000000,0.000000,0.176405,-0.530078,0.829396,0.000000,-0.261343,0.785307,0.561243,0.000000,-1668640.388635,5014082.872665,3559474.025953,1],    "boundingVolume": {    "region": [1.891990,0.595833,1.892127,0.595940,0.000000,8.775112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1069176.b3dm"}}}