Transaction not yet indexed

53SfL11ibRLsHh553z4D1hU7KmafSYtLBUfjEN6ZzPhGb5p63sXwZAf8N7G1k2M9LL3tkFfAhWdvvvBf12t1DYpE

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