{
  "manageEntity": {
    "action": "Update",
    "entityId": "104724985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarhzvvm65qjfvjb7rnuwvzbe2q3lfl67t4jkyegdk3djxxrikfqhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1779826775},{\"type\":\"playlist\",\"playlist_id\":740408591}]}}}",
    "nonce": "0x30b1587c2ffeade4e3a96a95946c7bbbc8f95e645c221690dcf9ede63fcd4f93",
    "signature": "0x8f21be440b4f097030845cd052153e8d6ae9bb572691baebba613fca096b6d234348c970437afc2809a4803242adba242e59afa6d28b613c6787c90f1e50e63b1b",
    "signer": "0xe26C66D5635e0Cfee21F601fAa02c190c7BadE94",
    "userId": "104724985"
  }
}