{
  "manageEntity": {
    "action": "Update",
    "entityId": "790313179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcda519b1856ccce5ce7afd2d9c13b79edb24ea0a436ee264d79acb73985ccae3",
    "signature": "0x566ecda7f25b9f332629125f2e54989d9a5faed8bf86cf9a77819474dff2455d2e13741c94b8eb3e36158d08f09433f11771c9105919a5040d0e410eab4f1d151c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}