{
  "manageEntity": {
    "action": "Update",
    "entityId": "947743975",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazqywnb2ee2ghewp6tfv74pavs6g3ymporug2mfuumjzyadvtncja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1725145041},{\"type\":\"playlist\",\"playlist_id\":1916337560}]}}}",
    "nonce": "0x5bd29428b7bd06fc2c8db197749b710bf0c7967e60afa9ece9ec0f7449d69427",
    "signature": "0xc48994638edf788e0768d5913459a1ffce694d07d2b9b52976ad321e5925c6b32a995165142a4f73906d16a02c1c6e38f7cb3e5f6d90b4ecacc43f27fed95d461b",
    "signer": "0x2e081234DC25D89E34f09b0A32704940847E25E0",
    "userId": "947743975"
  }
}