{
  "manageEntity": {
    "action": "Update",
    "entityId": "324923408",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x06d2ac23f474075888b5afce0ff1d9033b8e8cb6b4aabb95bb9d25cc40e1e056",
    "signature": "0x47493c33d4bc43f100835c7c12da51eee7983a811faec5979a468a32c182522e56dcabc91afa3abcce60eaa4c9759a64a15edf99e99773c1858b612f6efc897d1c",
    "signer": "0xAF064a1a3e9cBBf90A855D71175EaBBd20d6Ad69",
    "userId": "324923408"
  }
}