Transaction not yet indexed

53ktzNPTghjYNkfdcGacgfvh16jDWNTagGLUwSCd39NLkjBKT8KN7FpuRGvhLkrjiXAp2PZkkY8vvPfqVmj16Ssj

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