{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893990,-0.448087,0.000000,0.000000,0.288731,-0.576054,0.764719,0.000000,-0.341703,0.681740,0.646892,0.000000,-2182486.480979,4354334.045270,4104100.596345,1],    "boundingVolume": {    "region": [2.035338,0.703421,2.035503,0.703584,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1869782.b3dm"}}}