{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949470,-0.313859,0.000000,0.000000,0.175471,-0.530826,0.829116,0.000000,-0.259677,0.785562,0.561659,0.000000,-1658009.353507,5015718.814323,3562118.188970,1],    "boundingVolume": {    "region": [1.890002,0.596348,1.890101,0.596430,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410299.b3dm"}}}