Transaction not yet indexed

5991QcBNjzU8NmJvGn7QCTwMToqxtc1J1DWdKuYTcSEfi2QqfTnS23dfeM2nsdSZ3i4VkioKPLhNn9WgYRUyTpxD

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