Transaction not yet indexed

MxPDswkbk1oDZsTELPmBJ1CctBUzBabBNuR9fCSYmsS3TT9v4gBXfqPtH2knYTiLXEDcUSKVjtwLHw5kzUSerF3

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