{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951202,-0.308569,0.000000,0.000000,0.115660,-0.356536,0.927095,0.000000,-0.285801,0.881018,0.376995,0.000000,-1823747.393460,5621927.773120,2389565.331100,1],    "boundingVolume": {    "region": [1.884403,0.386498,1.884566,0.386601,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_4663.b3dm"}}}