state is completed, partiallyCompleted, failed or cancelled{
"type": "bulkPayoutCompleted",
"bulkPayoutId": "2ee645f2-a43b-4c67-91c2-c554a2daa782",
"externalId": "string",
"state": "validating",
"itemCounts": {
"total": 120,
"valid": 120,
"invalid": 0,
"processing": 0,
"completed": 0,
"failed": 0,
"cancelled": 0
},
"completedAmount": 0,
"feeAmount": 0
}