Transaction not yet indexed

MAMmNURqn6SRscf6TaK51cPKVjhXt7TA9ivcdTbG8psC8YS5MVwsGFpJVFTCobnRjk24eXWuFfF5R14ucgbMe33

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