Transaction not yet indexed

21AvwttoDmMY1tv7NmXFE6yak8mBzgNAzwWKXpjBiBHKAeZioHAYjmj8Vpg8wac69YZKsF86V3xKHxZ8bvMUk2fY

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