Transaction not yet indexed

21Y99YaPiMkuU6RdS6B4AmUHLt1uBo7zax1kk2mPHoTTdEuMYMBf3re8wZa1dcpUGGZ3qEU8HEb5EYyXRZq3HA1b

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