Transaction not yet indexed

MTwSXEa3TxFm3hj21Qy7Z3eKi8b2jMnsNAZWuhMLVH2ACrQuJRgzeUKkJKFDWyb2ssDj4i9YewDbaSHvYEqyCBM

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