Transaction not yet indexed

MAMTMzPfTBkB73jdzdeBtUCdnzzHUz23QLLr16R7CwwdTVM1mPNXvmZcdMGJXTLXCv3Qk7v7HyZc22QLk9EntyD

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