{
  "manageEntity": {
    "action": "Update",
    "entityId": "115938787",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraif36wrucb4w44ce6j2nvh7alye3kt6kzzqnh2y44anguthx2geca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":257183512},{\"type\":\"playlist\",\"playlist_id\":952457718},{\"type\":\"playlist\",\"playlist_id\":1882812884},{\"type\":\"playlist\",\"playlist_id\":2012027341},{\"type\":\"playlist\",\"playlist_id\":733262600}]}}}",
    "nonce": "0xd312ffcbe8101b525ab5c2667074631d1c4a48e49eef22a0815f0e9a67a9ff21",
    "signature": "0xc730c2222f6ebb7a911ed0a16418d83b63a7be51100668e3ba0a4c40d12f9a260c4d3b001f61203df624a1c2b336a49ac8b6f4c454f4ffb1bd440be577be5b6b1c",
    "signer": "0x4831aa86589562eD9bd0FfdFB8e4e6802CA9fA97",
    "userId": "115938787"
  }
}