{
  "manageEntity": {
    "action": "Update",
    "entityId": "238411250",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragqm7ur5zzjacfpikzf3czk4wbendybuh4hwtk2h37vvcxmjvlpsq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1214283008}]}}}",
    "nonce": "0xbaf3e56a6fdef9ee08bdb82c62df54c37b0a6dc58c5a0814fce74e63fff5965e",
    "signature": "0xadaca344df8a555a88cdc1242f939e04f451f892f229a2d27a5d915284b62d723b7c49fa9510249e32077cfb71dc5a94e10435ca2c9ec031c225b7eff1f707371b",
    "signer": "0xD11E60b78D349bEEF08c055Fb75986129acF601B",
    "userId": "238411250"
  }
}