{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x0ab882cbab9e1708138f8686039a92c1f682340af970ebcc0670e4fab6955709",
    "signature": "0x11c8c54a4020cc880ec9e553596f0f5fefd8434e6a6b6076c8297248b31e7d382812aace18ebc79a51e08e88abbd84f7a2d12bc07b5f022f9e3689c1422efa9c1c",
    "signer": "0x7094144C776594790B5E922D084562dB60549BD8",
    "userId": "602217700"
  }
}