Transaction not yet indexed

121sfAUXwqHy1XCYjnoTkVt22rENSYfpd3jSfKa45vxtHw4J2hNPDbPWLoUt5assFqzPytKvnNZ7UVUZHgnRWbZT

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