Transaction not yet indexed

Hm21TLeeNZ8MSyZnMsHJwoMSdWzofKzu9XzKZg1ZfKyoZDA4C98Tzvrukva7TrM2aCQkVMhoKwmee2UL4z7zfM1

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