Transaction not yet indexed

NfMgmkCyT1ku3KTVpeqR4DPGoL1e69L2JsVEu3h4QtvP3htDUQz4FBzNPRU2YbvbqY4CcswDG1ohRWTrybB4NnG

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