Transaction not yet indexed

M4L2cux15vRUcFdx4G2ssQ6dCxSbMGVmJRvxhApNbKN5Eqiv5c6zBKA7L5CbisxqLnRBG5fNPZFaArsNVre5qF6

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