Transaction not yet indexed

5S991TjQMwKyPC45vEiDBaZiQmF7P4rEiWas7UZm3yBvm7aGvknpjq95NMmdc6XNNMSPAk4dutbS1r5ABXqVeyvV

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