Transaction not yet indexed

55UbnnHeybcEnFJ4FrPd7XnayzMGCRR8fkc795vBXsaza6ULD2hVfNSZMmNvL16vMmiGAXFqNSBtSAFRP5wp1KDM

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