Transaction not yet indexed

AMJ2J21SMCAhhRV8sQU17cKC1DUbNnAjCy3xfSzKdpJLS6udYpJqNNPxRf6YwpSgL8kBLpVzF7gjrH6BaxjDDn8

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