Transaction not yet indexed

21D6dEBBD825FtpyjA3zb2vGhMrtphcx9U46bp7zta4LBRyheHpBFCyvREwsHExeMfs5k4HuJNBfcNr4Tc4z7tk1

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