{
  "manageEntity": {
    "action": "Update",
    "entityId": "733746758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0b2be97d6c2e817ea32f95b69260d68a54736cc1b55aff9cc04ae1be1b33244f",
    "signature": "0x7fcd04a4147b86120326a082d2fc5be76f171671bd534f5c04fe9b6aa3aa936b2e06579d45f4ae98ce9a59e7333993351169876ba2e77a2f5ecafd4ecedd2e091b",
    "signer": "0xb29Aa5505Aa4cbB355fF711f0750e76506714848",
    "userId": "733746758"
  }
}