Transaction not yet indexed

1Mc6t5YcNqA4tHStTm4BMgFsimVXP2goVJ8NmyxvpUywZ8jnES7VJ1phsKrpCaCxuzhuDcLK6vWhL4FiiMyJnB4

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