Transaction not yet indexed

21Cg5aJFWLKbjw7pXX6Ms94LsL3g1uHW5iNa7pGfPySeHkVyFNvAfMbesKKhjdn4pa7Ut2kk2qurd6kLLFysMGS9

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