Transaction not yet indexed

PS87ndBqdTcGLJRBQLcYNdWTWif7FUbMr4aVUh6cpXWkb3YqkJVpyBKifxvKwZQvpgTEy3w55AF3eVJPpezfMNU

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