Transaction not yet indexed

66tmrtkYzRM36XkpgB3fqKd9bB7jXZN4MNwUpdfoxLQEknP13JFQ1sUcH1Rb6hsnFTf8dwLbkM5mS6kkbNgPaPk7

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