Transaction not yet indexed

NMM87ktP3wQfVi9GrWRb9kg2x2So1dDzR4bJoUZc8yHtTyeDXpnkHZ4Y2zjrWsi8d2FKFZEvhryKB8FMwUk86Ew

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