{
  "manageEntity": {
    "action": "Update",
    "entityId": "439830191",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieracqi4dpeocfjnjqtsu2uehsflodsdxncbcgku7ypxjre4fatulddq\",\"data\":{\"name\":\"jia\",\"handle\":\"jiane\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf0db1633d882951d5540a3f734b4b1e7c0522fd66a7ac652aec08e8946a462f5",
    "signature": "0x2e2b96f176517ab24acb51a3a061fb86349fcd3e33278b7bdb462a7fd65baf0407d0b6c4785309650e4e9b4838be6955e0844707d8838f035ffe4cc741f4cde21b",
    "signer": "0x840A7C042eD908bd611A9469655521b6978C9120",
    "userId": "439830191"
  }
}