Transaction not yet indexed

MT55mMkY8W2dmSduRDC2hXiG3D8Q2PwPUDMtfZ8bJmR4RC69BbgX5B7TnG9Dpd8L5GDzAbD8uhqWRUNedpzzKhL

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