{
  "manageEntity": {
    "action": "Update",
    "entityId": "88788",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraatfdlakfkaicr3rabw4ybtaevrmun3lckzksroh7ca2p4yrfkcaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":22665},{\"type\":\"playlist\",\"playlist_id\":23352},{\"type\":\"playlist\",\"playlist_id\":24267},{\"type\":\"playlist\",\"playlist_id\":22664},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb3dd7d25730e25798051cfb590b3b36d5a2906d40b486adf8721890f5aa7b740",
    "signature": "0xb20c684bacbcf22e474fcc3cbed53240e3422d89d69061ade12e834d749fb54c03f5d571dc9967c08d16d361424bd596f0a8ab843a30be9926e58ca9e547aa2e1c",
    "signer": "0xE5DbE6Dad42e6bdCa67eCD952F5d0a1d69fFCef5",
    "userId": "88788"
  }
}