Transaction not yet indexed

121NzMxYtmFok4AjvgDR6FaLajGGC6KwpKkHEQmDLmgqwW8gU8jWjyCs5zWpg9SYNKP4orMz9WFjRGqCW9bwpED1

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