{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949490,-0.313799,0.000000,0.000000,0.175445,-0.530860,0.829100,0.000000,-0.259622,0.785563,0.561683,0.000000,-1657656.817259,5015726.535533,3562270.360782,1],    "boundingVolume": {    "region": [1.889938,0.596377,1.890037,0.596459,0.000000,8.656580]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1337873.b3dm"}}}