Transaction not yet indexed

21Tmx9NB3YPmoUmWac4GMh93JeUjVAP6WZduX3hB3ycMBcNE9zqySMy2Q2zjFtVGuZ1gNEYk4e4SP2GmutjDAN4y

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