Transaction not yet indexed

21t5RCfxsYN516Tp9TZ4fynp4SEHkYvR4pq5MVherR56T5RmNsiUADtFeQCgNkipSBX6XbkM2VTYBqb2YL2C896e

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