Transaction not yet indexed

21Zf5YSv2Sx2v3gouHAQudxq2DRVs3mHNqwEA2ZYc7HBryPcS9stLTgixUmfSRZMZ2iWxUbRCsUX7ENJC4LfErMH

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