Transaction not yet indexed

vkkMuq4dpAVm5r6seem76BbWYVpo3Y72gAFovPPdcQ1D5a9UNdooqGHwfEeJi4MFZe6uX6uJMNbJKraX357sfVf

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