Transaction not yet indexed

528A5eVsr2U44mqqQkGxtMCdxY1RFGtwequWCSGAUeFZsC8qfSSMm7KJqrbm1Q3A6GWrPt3gUvMvD2LykeFK1LD6

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