Transaction not yet indexed

MeZb48MMUU2bVzkaeCoguE9sXkRmVCzYzYmEbjNvgngMbxm6xWbg5kG5P9iyPWboYRQynHHVZaei7bCc6pGHZP1

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