Transaction not yet indexed

LAmmZdfqx3koqRzcZHnyCpfGTyziGZ7iyD6hTPb3kgnb3hy6nRgaEktkq8FSubAL8YeHAeKJzQeKY5hNB5ukVCb

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