Transaction not yet indexed

MR4S1AzvB3wfrL19TzfcwxDLcsH23xSab51oaanQJpqLa9XF7eJK6qb87Vjr8a7X3yhyPXGpFsKCD78Tv8aUG18

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