Transaction not yet indexed

21b12b9EzGhNupiVaFnK73MgGFUVeEGsCD9XQAFYCWzfiFH5ipJBXujTBP1i6MfBvFCWkhTPvhcMohAVZHAHLTSe

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