Transaction not yet indexed

53u1emmkpBWGYyTQnUxChH9SVzjJGpFomR84qQv7bT4jiGFqevZ7V3NUtNwQpuXQ4j8W4trph5W7iY2FBqjnnPuE

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