Transaction not yet indexed

421JSiN5ZQANjG3VMpHZULZMRBc8V6eqq2tYJwpcJYCfQVT8RCgrn9wN8j5dbQAdCgwQiNX8qcqE9BY8d5LG6iy2

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