{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949475,-0.313843,0.000000,0.000000,0.175428,-0.530724,0.829191,0.000000,-0.259688,0.785638,0.561548,0.000000,-1658075.432822,5016202.196209,3561411.454508,1],    "boundingVolume": {    "region": [1.889985,0.596214,1.890084,0.596296,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444069.b3dm"}}}