Transaction not yet indexed

MPWUknAHsXvyAWYDsAjBc7bAWSfxouY7Qm8U1LbeNmJVbS7aNN7foV4d2mBVkdABjD1ZUyHEq8LmiEMCQUiMci3

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