Transaction not yet indexed

21Ak1JJxhzymbo5EttQ1eg7SFW9ib4Mbg59juB2jMhU1pYma2k3gWsfNaLAUEtQTdaRgUvrLMY9bifiydE7QeprM

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