Transaction not yet indexed

aC21DFHYwb2aBcHRwsopAF1ffsauQDfHvNfRxMqjoMKVKVT7LXdWH4Ht5unXZzEfmvi9QoZE3Fn2Gh7uha8H6HY

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