Transaction not yet indexed

1MKS6GrWNFf3wV2QzprUnZkqiJNB7rz9k6Kp7qDfR7s2d1yaTizMmBRfCPrzF5MM27ZX3F6ZxeVAZduvJ6U9ecK

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