Transaction not yet indexed

mef37UDqhrgpA67tfmH32AMGdBAFHzTsxZSuRBuEbmm3nzXPvLyfcXQLEUWbq6XS6KSd4E3gaiA9SQYsDqM8XR6

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.