{
  "manageEntity": {
    "action": "Update",
    "entityId": "833958818",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierayxozu3cseaulswddktsnrimkpmuvmfgjqro2ckymvlijkwrm36sa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":61790562},{\"type\":\"playlist\",\"playlist_id\":44384817},{\"type\":\"playlist\",\"playlist_id\":232027408}]}}}",
    "nonce": "0x026bf0cdc1fe4348cd802a638f1e496ec10f5ecb3919f9b86125dd15aeb2b9e9",
    "signature": "0x7ab77c658c4b1a1a51cd83110d30fd8d305b4ce0809c4b7a7a46ad9cae8d94f2597b8252ab84cc70c94d7805c0e7aedc51812c161dc879dc4141f6844aaff0461b",
    "signer": "0x130D8e32d1574d6bDcA9b06a9fa5Ed4Cd7A6d7e1",
    "userId": "833958818"
  }
}