Transaction not yet indexed

21ACWm16sECSFzYiYBMqF7p6Wxm1BsFdirNjjfe6U2MYHjoeh28u2cRMVShmpkEuHWEkD8QSuX1bqPrsToPR62nc

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