Transaction not yet indexed

53c6pSHn7Bno4a26dQZqAPoanHXxrVcZyzPoTjf9MMpmSu8uHp2gtvHvT5GSssjy4kCSrfvGSmGn1nR9r63g3QPM

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