Transaction not yet indexed

21EXF9kTGX1ZRFaEjVR4LdrefRHCbWsaWY66XRSpRT951X5S4EEc2kAAkRUW4GW3a4vX1sftQiYwzuVFy6WqZ1jb

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