Transaction not yet indexed

5C21SdtcBNa5k3MD4ZyZX7qyrQ5zTzZGpPdTM6oDfi3VCymgZy9TLaX44uRRevBD8YwyWAXt4WqyXSAimR5TeAHw

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