Transaction not yet indexed

MYcmAT9kCkcYF9CeV4EdcaAHYjsNWrkajqzENcXQWwgC8BjXAGtwRUc6MmFhm2Tz4H2LkSLY6vn5JPafkHd1hsG

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