Transaction not yet indexed

21HtrMCj47fJMSTNKU6kBJKLAHkARLaGVuqFd1A5v85FZzF71bFG37KL4n3aKwG1uXJ63Wrmw6ueBs4dN5vmTpm2

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