{
  "manageEntity": {
    "action": "Update",
    "entityId": "716849471",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6089c7d57c39f559c1e113b861ed3e6124f4c373606de44e19c642ff8e430f6c",
    "signature": "0x050779e436aa57fcc3e0eea91eb21d12463e71822e6d4d1e554e5e12616fce2e0890abdbd20ef81697a44124e7690f25706417f26bdbfcd4cf1a6d40516e544a1c",
    "signer": "0x01239212E248C7662165f84426023727b8FDCa0a",
    "userId": "716849471"
  }
}