Transaction not yet indexed

AgmkQnpYRdnhESVfv9E7E9dVz9frMuKQqdGhPj8dmwbVYepFy71kc6HEt8KXF4i7VD5wgsvxjfXGGJgtPsFppz4

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