{
  "manageEntity": {
    "action": "Update",
    "entityId": "313045689",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravksnar54op75pcdwduho3qu57sfkbpmugifijsccerbdxj5coaaa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":605796989},{\"type\":\"playlist\",\"playlist_id\":96386780}]}}}",
    "nonce": "0x0eb3b95d60694e6bd377ba2741015e6568857739f5cc10a3f75f2fab4a4c794c",
    "signature": "0xd076277c921ce02c54d7660e80999e40fa4aebc0b62ce70ed02df204b6d1adea4f58fc886f71acf67c326b27ef934c5c6072e90d1478dcac3d095c1be257af3b1c",
    "signer": "0x7495ffcEA4B233ca42224EDe45fA94bc245920C2",
    "userId": "313045689"
  }
}