{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951195,-0.308591,0.000000,0.000000,0.115660,-0.356508,0.927106,0.000000,-0.285825,0.881021,0.376968,0.000000,-1823901.593387,5621949.415446,2389397.843628,1],    "boundingVolume": {    "region": [1.884426,0.386470,1.884590,0.386573,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_1884.b3dm"}}}