Transaction not yet indexed

5mng2Am2uY7SZ449y1gB5ZBkDSANbpGJgvCQHZNZiGDbfdbPrR6mqriU5myC4tpGMR6VKqzkhSLtvy6CVqHT5prC

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