{
  "manageEntity": {
    "action": "Update",
    "entityId": "205392",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieranrk7ysz3mc47asg7b54lha5slsj4owsben76smqcaobtq6linkda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1060468116},{\"type\":\"playlist\",\"playlist_id\":110985566},{\"type\":\"playlist\",\"playlist_id\":368657521}]}}}",
    "nonce": "0xb434307d40e2a247e768236d6b71bb69c51f7b0fe6c7496890925c83cf3a118e",
    "signature": "0xac08afd87d290f91b06d3f3ac2a43625a54a55c5c1d296496c5152d9b1754b454af1c30107df755b8bd7c09258e9338ce32f6ea31c29e2ae8831f46999058c231b",
    "signer": "0x77eeD8eafACd826a3ea00E1443bFaE2a8db87fEa",
    "userId": "205392"
  }
}