Transaction not yet indexed

55tsm5MtSEtEXF7cPiL1KMCbYtrypC5ANTsyD6u2899e96Ujb2qxWkiqadigLfQrpPfnYE4eNTKA9tVtduJMuooX

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