Transaction not yet indexed

AMTmHA7QLKGFDm3ShcEnTPa7EvaJPreu4ue4BrHuzT59mLZ6rVjNq4fP8ULih9VoRw1jJWrc5fSd1gacACaEQvB

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