{
  "manageEntity": {
    "action": "Update",
    "entityId": "179469744",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera36ihmnd5s7zjnn6umnnxxa3dho6abxzyn5uwmbuy2i3ijzzuatea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":149256165},{\"type\":\"playlist\",\"playlist_id\":1760745635}]}}}",
    "nonce": "0x009bf43393671a2ea442d30391bf89da82ecf218f661bc7d185db4a03d975b45",
    "signature": "0x1c50db18abe5c6bdfbb6ba0ca4007467f094561374f7b53951a20357d2752dad004071dc61739928dce8b3f39cb9a8e99720345e50997a78bf791224a9d4f5d41b",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}