Transaction not yet indexed

TNK16PCrb7sdLF6rrYBqRNQmKZFbFCyvwSXPAiKqqqxiqkAHiRRZ2D25udmhbWmxQ9RVnRtYYSFbEXjySBGL7u6

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