Transaction not yet indexed

AMkwCcBnK8ZmNPjR4vHhpFPFHvADD8bPa8vVC54NHaK9FaVM48xx8xQXuo3UMR5PgJRCWfejde8i4WZ7iuqko5n

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