Transaction not yet indexed

21UbvLz12Cr2moktnH55BcYp4uFDXbbpUBSqfUtNsK9dXXVRy5Eb6C8w2mSyiHNSSKpg66c87q68Hp8UYdxpVoZS

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