Transaction not yet indexed

YiiAaBvCAYztD91VwAM8DBhPSWsFRUZHPXNB69hTdePqUnmDVQ7uWWAsiUXfh5wMS1JdADSPjFDh2uFf8cZcgo5

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