{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949321,-0.314308,0.000000,0.000000,0.175721,-0.530741,0.829118,0.000000,-0.260049,0.785441,0.561656,0.000000,-1660381.913753,5014946.174703,3562101.040334,1],    "boundingVolume": {    "region": [1.890474,0.596345,1.890573,0.596427,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417288.b3dm"}}}