Transaction not yet indexed

621bUFT3gtfXKrpaMvi4eJHeWe6h9u7G3Bs8eqjpW6YmEL2XscMPjgmn9UPXBprCQucLYQdm1UfMacKDYrLC2wcE

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