Transaction not yet indexed

21MmkgYYRi1UeKbmnuvDRurEwuqTgpGPp56aX6K3EaaBnqwrENKD6AkL9g5Z1Zwi6EEHJZt8zRWPnsPL9yuumaWs

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