Transaction not yet indexed

56Ndg4HcCUxCALNPfdKnU5aTz7HZsNMhtgmfEkJABbfkxbGFKyJrRFvhyE5DMEDE65VL5Qf6rxzqGFKSE2baPK18

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