Transaction not yet indexed

Yw6nk9C9YMkkRA9t5kfNRhCgB4KpXUzEFcmM3pcqsrLZKRsmtpaBAHZiFSF2PbNCuF6KHY8b2cmpT4oAAaNro21

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