Transaction not yet indexed

21U5yC8VpoVCZBSJmhrUkDAr39UXsKptwUKJxdTaePHjgSeGMVfjMSMF9VAaDxVfod32bZUf7m7rCNzjkMrcbVC2

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