Transaction not yet indexed

ex77Y2SJKhzeQc3W3rmFG45omyxNbXD2ucphPc5KkmceH8rSEA1HmLA2GAYw1F299e3W1TU7AvJDiYLkPqdCaLc

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