Transaction not yet indexed

mUKFaA4sNB3JA3xCC5HHJh5iC3aqoNMys4pdS4Y7STSLdCr16eGRKh63WBZ6Snt3LWS9rUTnkuRLWMvxxc4Qtuq

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