{
  "manageEntity": {
    "action": "Update",
    "entityId": "295795749",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe18a68b8b1cc21384bf0f8cd0a3f1a99f675fbe27bd60b816fdbac55bcf53234",
    "signature": "0xb369641428fa038a08d0b41036ac53ef63593e4c953b9d468ac8cf3d0471ee546b66d412a4ec3728936a326633fb7e0c4b84a97776a81b714f35c92a3caae7c41b",
    "signer": "0xAC2B57D3daeb58A8F8eB4C8ab87d35403Ad10797",
    "userId": "295795749"
  }
}