Transaction not yet indexed

21NbDu6GRm94B3PxZuc7Nf1p9Cg7htDp3TJkifHYuP1m8FMACbwbUbp7MtxuM1UYcwfp6LFbVAmrkpUjfDjHcYXm

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