{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950469,-0.310819,0.000000,0.000000,0.115081,-0.351913,0.928931,0.000000,-0.288462,0.882103,0.372402,0.000000,-1840705.409743,5628789.108072,2360427.600609,1],    "boundingVolume": {    "region": [1.886849,0.381594,1.886852,0.381599,0.000000,4.285723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/16.b3dm"}}}