Transaction not yet indexed

21UuJRXxHkmS3aPPhuWh4PUBbWSDVtwbcuPP9dzHB2ECga7MmU59KME1AFvQUJWNs5kEv7zFfNb7aqATDZw9PthY

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