Transaction not yet indexed

MPPEqmHaoD3cR18HPBVkTf3Xwz5qZhCQE3ER1RPr6davqALSGcNftCXKpMp1AFXhkEsqYkswtKJRM8cjpcdgkP9

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