Transaction not yet indexed

511SAftj87g1zxtBtDtQEcFxvmso9bbqEUM5XHsR5yD9pDQxh8mLTiCxTcQFxCg3uZXEM2ygNJnGASq4RCE5dG66

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