Transaction not yet indexed

YiAp473RCByUyRHZp1MzsRYmPTePyAxTZfdnhRHqJufX2xJnNCYZNaWqTDBdSc2dMkW28VhVgk4Yh5HqzFSh1dN

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