Transaction not yet indexed

Ppfmk4nhqJNqfAjz7Md4yy9yMni21fTEgqnKDGhvuHNsppuKpGo1iBfE137DWZFt44EKzGKNKNaDUSTKpLB2gd3

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