Transaction not yet indexed

53i5bPfgpPdQgFr4bUVqmLUhT4CBLw4MvRubDksN6nodq9v21tFEXPm7H9Uv5PwfcgqWU3Jyhg1iSV8yBhiDMZY1

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