Transaction not yet indexed

AMKgsUJqKvL6ERKtwWfvmgFRtizeAVcR4CvURYnZXppDSL2kJaYAnaDQckT3jQcb3fWoTaCfpzK5ySbgJrGFP7P

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