Transaction not yet indexed

ym3kmUvyB1miKBa17T7VX6FsFaoJDjfeRc5KBtYS3Cmti3QEjHiJrkxUdBGvt4XUuNs6qX1GD4TCK6KUuAxxPN6

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