Transaction not yet indexed

21cST5E3ftBCMHotGoa6C768dPt9e2ECT7u4JAKs9PQZK5Fw7tQf4GaxFWRMFryZq3cSM4y6ZgXQ6zKwBfLnYZGW

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