Transaction not yet indexed

2MammJUJt4wJRckdLU2dbbct7aU4JhhD4uQCjgqq69HpVnNWwsZ9xaFXvEMGLbyommiLD7YRLyGmjsz7ZKFFBit8

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