{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949481,-0.313825,0.000000,0.000000,0.175456,-0.530844,0.829108,0.000000,-0.259647,0.785563,0.561671,0.000000,-1657814.428694,5015729.822928,3562192.907286,1],    "boundingVolume": {    "region": [1.889966,0.596363,1.890065,0.596444,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410742.b3dm"}}}