Transaction not yet indexed

53NB6smnhKRjo4k88GGxHyqBfiVKempPi8Vm4Gtk7o7nfChNFGTuCsTTBUmHYD1fK7mWzmxVUJws9mB5op2K2NeJ

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