Transaction not yet indexed

21mvkYgwChvyPMBBQJDG4CSMDHHVuB6rrqRJSPAbnYSwPkm57fu8xtcWED4ZSX2XA8hsJT4A53p7eZF2MUbs2zD1

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