Transaction not yet indexed

53e351PWsUp6FC3bVpLTyWEusxVNNPBwtTdKgv7x1V3t5tCPUtMYfgEqPAVt1rsA8zKb1CKqXLbtzh1ikHoqCjKG

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