Transaction not yet indexed

4FfB87acmTSkpZdjLRg6U6eAd11uAyGr4SmSn5eDqnXrdyCcMcQJSgTwVMUzH3Pz1ziWKgtBmKn2KxPxucm9keZT

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