{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949176,-0.314746,0.000000,0.000000,0.175617,-0.529606,0.829865,0.000000,-0.260649,0.786035,0.560545,0.000000,-1664206.183570,5018719.771511,3555042.232151,1],    "boundingVolume": {    "region": [1.890939,0.594949,1.891033,0.595139,0.000000,7.590840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/28_1370818.b3dm"}}}