Transaction not yet indexed

Mkrmntw2fM9heEDGdRxVzzFXSTJZz1iC4QtMTaMkz2aksTG7rsM9hyTsAxTYxLxhYaeUAhCXz4dQSRBztcrAtw2

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