{
  "manageEntity": {
    "action": "Update",
    "entityId": "130848719",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x682d1c525b789aff1096f0a3cf7ea57cb621d5a5730e22b1116c6f0404a020e7",
    "signature": "0xa2563ee18ad575f21c80916960f5d2f8cc61249b1d13d806edfbc19b72929f2b682b3e03900c5f79bff9a15403a119a883967a42bac1539ab1c3c712efd916d11c",
    "signer": "0xaB725a03E95f93A28F19FA8AF1f6da37633c2E5B",
    "userId": "130848719"
  }
}