Transaction not yet indexed

MUdAxYu9vxFZpA6kc9ZNeRNhqZJXN9H9zP36HH2BkZivDYGNnwkJ3Csrz5ufDKTAdDmjqT7ZRFGUCNDQPJ2GCLm

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