Transaction not yet indexed

4E21vbLSs4Sgq1aPcLnRZ9WoeoR2eaCYpBiWwcpSxLGb6tDfRAjbxetTSY8AUkKXU5ZdGw2ruSSadv7VkJBcVtG

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