{
  "manageEntity": {
    "action": "Update",
    "entityId": "981824750",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxe2pxhjxui7befoiux6q4bvpo6r3jlz3f534j4pz7qiiardjr6ia\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":112061281},{\"type\":\"playlist\",\"playlist_id\":1389477278}]}}}",
    "nonce": "0x1336593876ddb207fec35a4d5db1dde3f66f932dd3dd551f79374fa1e3aa5761",
    "signature": "0xc1c1cdd79828c086a9bc9478e18dd5a6827186d1386f2f8627d21b4e354fafb232b5ab4c8690a82de72894a15c57ffe050d7fc5bcd6900a82715d67d471c24e51c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}