Transaction not yet indexed

YkmumbnDpTcsAbv61Lo64ZMxPPpuVXZbcDe9BXCxTJubCexi3q5kA4TzQ3nKR9zLXBSxXSyw1dn9VD3b9WLUYzu

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