Transaction not yet indexed

NB2uAmWWvkQS6yy6cEFV8eJZd5cDD5YJjLTTMFeGfPG58MQaSss4kiPyqGveqzAWxcp2hoNbyRe3oEHHQK39NpE

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