Transaction not yet indexed

621VfbScG4uqDXqXb9WJWWQCAFjCRgF9fjaoHjaSBc9TyDvDN2E24tmGfpK3QpGZrrZX5a3mnvCMCNmUzu5ZTf3k

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