{
  "manageEntity": {
    "action": "Update",
    "entityId": "633205197",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2fac5d0f4952096dba95b5079727c56acce3c424ad9d1e8180b94a0c355e746c",
    "signature": "0x7f843de542fbc2c133483276dc6b1f1eabc4e163eaa28f8afc220fe53e5d7f346072ddd8e5154d0c72c34398259b8ee84b15ff3a8aced3b5a73a12f9b56f6c661c",
    "signer": "0x79A39CfDAFA935571169F7bfdc6967F967163BE3",
    "userId": "633205197"
  }
}