Transaction not yet indexed

ddt6MpQSckiUp5m1tdfwsjeTCUaoopw5tVSFyeULwjzfd9RZwHrC9vU8pqkYobjhU6f4VXUoKR2LS5TME6oFS1F

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