{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948877,-0.315648,0.000000,0.000000,0.176483,-0.530531,0.829090,0.000000,-0.261149,0.785047,0.561697,0.000000,-1667404.738459,5012430.537540,3562359.637113,1],    "boundingVolume": {    "region": [1.891867,0.596382,1.892004,0.596488,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113509.b3dm"}}}