{
  "manageEntity": {
    "action": "Update",
    "entityId": "641713112",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramxqhizvg45fuavox6uxcrdqokxflm2twbxcykskr2s5mbte65sha\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1813230854}]}}}",
    "nonce": "0xefa571e995373124bd4180e16c252c6840a656d9bfcc923cb28658ddba478e6a",
    "signature": "0xcc457decf38751818a3eeb4aed85b298965e42d905ddf3024f7cd1c0f6aef46c138e9821f6fd568fe99cbd890bd9cfa7aeb7035307b900f9df5f4909f75a3c0c1c",
    "signer": "0x5284395a424D24676E246E663D3DeE1FDB291Cb4",
    "userId": "641713112"
  }
}