Transaction not yet indexed

1Fmm2hkyMZKsJ9Mm3vz2fMfxwJPx6hYaZUW27vASiVB77XiBSrAXNUUmGFo6rYWxoKDXtFej9x7uLREW4wmH5rT

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