Transaction not yet indexed

53N2VAcNmKTUSFcighcA1aS2cAaxdHRbPdCFvjyCHHi5RFsy6HuuS9AzmcLDLKvaUcSFtuXbFoBN4GLELLT3H2k8

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