Transaction not yet indexed

5MibMiSVkM9TfnceEvVzxZQM3BYU2pNzC8xpqjpaGXMDW6uQEjnPQUpAeembEWgAFmF5tJk2oi6JdZFbajTTM4ac

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