{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc5831b77afe2034c55434065c7117979b0b8338ecf4ff84caddc7e1217b0702d",
    "signature": "0x00454ff708d02c6424afde156ea9082f36e9fde6290f1f21cbeda86a749bc39b2c8e1a3ef5e1dfc314e26b7fe44fe63a49010a956ef0f249499fb33f593ca15a1b",
    "signer": "0x8f3dD60187D1293D1106436e79dE8018Cd72878B",
    "userId": "712753817"
  }
}