{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe333dbbfca22aeaafb408d64261e603fbc8a942303bd837b9d671fe3e519507e",
    "signature": "0xa0b58aa655d26e3947bff23ea60498db34f67be31ffec46ba5169954c01c383057ee3ef057d12201d482a261a50024bb0e5df8a773bbabcb1217151cbffb7a341c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}