{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949616,-0.313416,0.000000,0.000000,0.175030,-0.530321,0.829533,0.000000,-0.259442,0.786081,0.561040,0.000000,-1656502.957113,5019026.181461,3558184.808005,1],    "boundingVolume": {    "region": [1.889535,0.595601,1.889634,0.595682,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366194.b3dm"}}}