Transaction not yet indexed

MAmRbZPxa85PxtPFEybiACRVTZe21qcVcHwHEnAv9vGggtC4PWECY29vGYZr6nn3XAZWTDb7kDv2Rmx6qUnERo2

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