Transaction not yet indexed

i88NKQQGN3ESXZzBESM2ty6BhmHy3piPaMZ6AJV6GLDideDVHdb6ZcSKSY8S3w8mxNdW2AjCkixjHgQKkkK1xC9

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