{
  "manageEntity": {
    "action": "Update",
    "entityId": "655790469",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragk3d7cxoxkjwxzlxauwvwonhkwqvur4e523krzapird7pdbmupxa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1848153756},{\"type\":\"playlist\",\"playlist_id\":1381585353}]}}}",
    "nonce": "0xd6f595bb495796881071296c65d5e67645bb1b74c521bd0b9cd665992ad5c40a",
    "signature": "0x709d595d71d41ffe376c46fd29713af4f2a162ec83d57f9a77832eb2e896c67a0bd1dc761a733b9358bd018128933adec1a74c46dd0f10830815a222fdf762541c",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}