{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1305",
    "entityType": "User",
    "nonce": "0xee9613d307d2c45b4d100fd69ed9d3c21550718ab087b3e37493346b0003928b",
    "signature": "0xa4a00d25355eecea9fb93a4077e163ca881e41c21a87cb0111e52a8b9759d4217a3d7bf816ca69365eb4eb9bb6c4b290c1e94137121d42146f196675a249ef771b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}