Transaction not yet indexed

12a3521RcoX2E4StYUGXVoe2Rco9cHkmG2xCjRHPR8UNZQzsiFXGN9CkCTDSrzFGobEpf1gmHjJjXchNh4MiASR

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