{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950260,-0.311457,0.000000,0.000000,0.115257,-0.351650,0.929009,0.000000,-0.289079,0.881984,0.372206,0.000000,-1844638.773361,5628026.036447,2359184.594834,1],    "boundingVolume": {    "region": [1.887459,0.381333,1.887585,0.381436,0.000000,9.999985]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_66575.b3dm"}}}