Transaction not yet indexed

AmS5tSSdWg7XcqTGHmMz59AwiZekVDevyfSaUHVJwE2ydjQTu19XEAA26oScuxjEVFBEaVYkLAD8cCdQxiYPfR8

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