Transaction not yet indexed

2121akRtiTHikSdT9MbK4rA9ZGS9SgRdMmzjkedQjcsWYZ7wTXb3TtnNk2jdT1FW5p6GSXWUesPw4eWsBYLWqdP8

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