Transaction not yet indexed

MtTSP7jccpXaDywjvCC4gdkK4n7uag2WTAyZ5QhekE3qaqNduvPXxpYziLggw5ZtV4mZX2Ed9mytau27Kcm4qpJ

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