Transaction not yet indexed

ngmSMfum99yCu2s18BVPNHVuToP4eAwuhCYwk5CnLwCT1woZYUmTY4pwtXnAwyfkoBUcCX8igGvEVWYVm3zzfNq

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