Transaction not yet indexed

i88PcJSZT5KbcLtGNj1qLLkppeqZRB4K7tqMcmzLnFq5a7SvwP4cxAUB2L7hUrpkLd9hsRvyFgxE7vT87TLzFb2

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