{
  "manageEntity": {
    "action": "Update",
    "entityId": "986538065",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe17de1d93b322bfd39dad96347d38867a6a76b043aa0802a776d46a55be01630",
    "signature": "0xc4941aad4963900e7d9fc0a4e42f73905f0afb3dc2ccf6d8b15cf8f79caa3e5b29c233d850d776cac39db56c6b012d059f45584608a147c37dbabb265f93dbd21b",
    "signer": "0x3Ae0bbac4c63b449Cc99b47414fC01f346f354ce",
    "userId": "986538065"
  }
}