Transaction not yet indexed

66CMZPDgfgp9oWwpMXevbcUsB9ubNBV7cMaLy9L8fqWYMkdFMxWSkGyAKWSoFJxvgEM9n3HrXLqAxPLmfqAnajj1

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