Transaction not yet indexed

U18jEXmH8DdCMcnxakWBDupTEPdqwNGXvkwpzx8zNuUN7nyS2n2My1gzdRDAhkgZNn4LJfkNw2jUwjRfsd7NrVV

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