Transaction not yet indexed

21CdkSffjwMC5zdVuynZkqaoPcPFpe7ce5nfoiM9yd9QHbjSLDFcFRrYFL66KENLgsroNPGf7LVNFX83K5EAs3Uh

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