Transaction not yet indexed

2SSMM8CgeRwbkQvGX6uAp4DAMKYsnxghtd7dDb6sYHVyeQcGeEaC1durqf7YM9Aj16RCdV7KT3yt6GmJRx3aJPn6

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