Transaction not yet indexed

RMf6NE6aN6KG8yvyM4VY6jkrQFTiZ4fcZdoSTtpTZ8dipa2wZjVdxrZkjoH2VfgAEiBF5ZEr3npWusdTsLFwa8Z

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