Transaction not yet indexed

sMmDYQ5kdWHmpnxXkVBeqvdgMUJpbfow8yeiHLsaEhGYppB2PPUyWdbMdhu5oYtxaTsyMsJrSCegNuQ7RuQW7Ms

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