Transaction not yet indexed

21Zb4vsaztS6SvR2pgDz5Q1hwqa2CxXCDqfDp93xXTNh34AioZmW6rV1n6NsW76gwtbTUHprmPtTLfoFsHYRG5nA

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