Transaction not yet indexed

21Mvk9Ti8FvX8mVkDPtv6zZrEMe7nui1oXDdprqr45WuKqkCbqJytHHF3VDFeSjfNHm7rEBx5DkT7iSYvVp8PrFz

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