Transaction not yet indexed

21D6mM7fD2vLsGnfrPB9FUwUAtM7Lwejd6yAStQLUB7NN6eV8e1To1AM2Zqj6ymPD5NSq5iwp9CYh5aoApWYL8Hi

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