Transaction not yet indexed

21SynFj1N6pUbQvhg6EBmLcFDUoHYJ52bJxgH95QfgmoYFEWMnzzuDFBFRiohLwEQNd3qdPvwRCd8SjAHj4T21g7

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