Transaction not yet indexed

i88yP1DkdY7RCVoy8JN71TqPYDvkx3Apr3v9o7ttVhmMcVjGCUDXkahqj1FCtCAAD7mdL3U2dbTRUyuodSp4x2B

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