{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949019,-0.315218,0.000000,0.000000,0.175967,-0.529782,0.829679,0.000000,-0.260980,0.785727,0.560823,0.000000,-1666321.743671,5016759.941425,3556805.122528,1],    "boundingVolume": {    "region": [1.891435,0.595284,1.891530,0.595474,0.000000,7.961637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/30_1072869.b3dm"}}}