{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949616,-0.313416,0.000000,0.000000,0.175030,-0.530323,0.829531,0.000000,-0.259442,0.786080,0.561042,0.000000,-1656500.681801,5019016.039928,3558200.069587,1],    "boundingVolume": {    "region": [1.889535,0.595603,1.889634,0.595685,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366165.b3dm"}}}