Transaction not yet indexed

55pb28vUEHZaECDXpQLZgixkbhphSQPRgZJ5cF5qNbgAKaaa9tckhgwpKcZGLd86DzTpkHU4BdUQsde7N18E18BH

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