Transaction not yet indexed

21Sh5WNHTaLkaBuh3Fc1YJRfx71ghwZJN4ZmS9GT88DgzUSAq6uBmZKYSP7mywwCbhLMFhjVz9YGFMAfQk5FETWY

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