Transaction not yet indexed

MELkLSkoEa6XiLsUWm75ubpcCgVopuGBXnsnVCx5E7kwT5hxW9dZJGhvycactiB1kdUwJ89QSC1VfjM7VRMv9dt

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