{
  "manageEntity": {
    "action": "Update",
    "entityId": "241870892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraktlsmmqmshc3sgwkag2fmbr6irhl5pv7aspefnps2xhnlu4gmfdq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":428156585},{\"type\":\"playlist\",\"playlist_id\":1462672773},{\"type\":\"playlist\",\"playlist_id\":1301159848}]}}}",
    "nonce": "0x5704d735775ef9edaacd84659ff6045110e6323e19b329cda4251d004ed1f5b6",
    "signature": "0xfd63f46d0aab1fce3b6b3400028df2f2c477e019cbf14c79cf63986acc6033b670eb30210f490b656d643e479db8979e888afd4e1e19c086ce1da78fcf7fda041b",
    "signer": "0x6867D51E60764cD265E7aF8e4Abc08B63b75826a",
    "userId": "241870892"
  }
}