Transaction not yet indexed

SSpMbm4EQCC5DSosjtM1TGRfaaM8rSycTUjWFbry2NK6iELJk7Yy4RrTsXA5WEu5picCpXaKSWnX3oJGGXPiNFZ

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