{
  "manageEntity": {
    "action": "Update",
    "entityId": "652732788",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x732da62ab557a782385d0df6e51d5c967b0faa83dfa61a8e856dea1b1af9f17e",
    "signature": "0x74f351e13fba60be6ed3639355c3541e32ae4c3a4efff70e744838ae4419548868858ef1b5897825fc2316f2e5032f5ce4573aa4750e27aac9f2b246865966ca1b",
    "signer": "0xD181Cf269db3a4cbAcb49Eb4339400d39B43c75d",
    "userId": "652732788"
  }
}