Transaction not yet indexed

Uo21Cngovp7eknGvp4hb3Ak7Vqmf8MQedhAevqCyE71m3NZ8BC943fxMT7XNZksFo7AUfkve6vUoxyrgRp5u8N8

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