{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950780,-0.309868,0.000000,0.000000,0.173220,-0.531497,0.829160,0.000000,-0.256389,0.786688,0.561593,0.000000,-1637011.541850,5022907.305399,3561703.462879,1],    "boundingVolume": {    "region": [1.885777,0.596201,1.885923,0.596420,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1423727.b3dm"}}}