{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948650,-0.316328,0.000000,0.000000,0.176615,-0.529659,0.829620,0.000000,-0.261880,0.785365,0.560911,0.000000,-1672069.128366,5014448.355621,3557363.753910,1],    "boundingVolume": {    "region": [1.892604,0.595374,1.892700,0.595597,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1187923.b3dm"}}}