Transaction not yet indexed

421DHiD1irXMcbUmmFiFNkWWBSLCcwhkZvdLq3tgabS2fw3CyhSCvQ5VsKxprhWWaAkEzwrzhmZcpPCHRQfUiK9K

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