{
  "manageEntity": {
    "action": "Update",
    "entityId": "941482248",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe2c2baf481abd50eb409921fdf391a2d5165de7b098b972965d40cd8eee420af",
    "signature": "0x0a78991b806fa86099f875815d80fb56fb28f42abaee502ffe714b16cce725513bb19a66b6c18ddcda12346900e341b88b01b8e4eb261edf0da4f01417d1c7e81b",
    "signer": "0x2DB03c666A90F700d142B83c0d67d59089002d37",
    "userId": "941482248"
  }
}