Transaction not yet indexed

PLN5JwFQaMD7H2hnuZUmXVsBuJswZCfeLxiZnyroXXbuH6w6v4j6bAarVTNkkmYVhAnrtVVP8PZkCwbufAPkpF3

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