Transaction not yet indexed

21Nbm8dWY2aLzHBYkDhDPcCq3MFMCPoYnoLKNLJVDTzaCMSYJzYrATRQV4Asi2YmNxEB7d9BUSfm6JEUWHwGfqvZ

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