{
  "manageEntity": {
    "action": "Update",
    "entityId": "347680049",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd05de1d89eafd539603feee00964d7b5777750a3fade89749169dbbe64944358",
    "signature": "0x3cd2b059fa2cab52fb7353df4cbe6ffe3a5716f84b66948d935eb4e47680aa361c7c3b321daf947f582a02930e9d097bf80024f3ec9a1bcc157f579bab810f2b1c",
    "signer": "0xF46d404cEDc9A5cc77B9Bc3303877b1BC6CAF166",
    "userId": "347680049"
  }
}