{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895028,-0.446010,0.000000,0.000000,0.284339,-0.570596,0.770436,0.000000,-0.342682,0.687675,0.640057,0.000000,-2188672.882950,4392109.249359,4060614.992530,1],    "boundingVolume": {    "region": [2.033032,0.694510,2.033165,0.694635,0.000000,46.323488]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_978648.b3dm"}}}