Transaction not yet indexed

SHXa18YvQSSVLNtNZcyccxh11nW3n195R5n9CEhWdPX2pLpEMfLKgHCBaUsMd5oFxAWqjp9iygmEhHqnZSPXcT1

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