Transaction not yet indexed

NMpmkFo87EHHmkR5fYT4KjrEYzQKzPyVZCV4pUGrvV27z8SEHnG9fUuuBXDbXce3GuQswjQuLBDdPxWPZWER4XT

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