Transaction not yet indexed

SYGfff4uab8QWTYNCFrELpYeQXnRRyXxF6G68pcCUkmFsoTCD7PxKBdNsuvR5iqT4XXaC3sjphQ7p2tUyRHc9Ns

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