{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x267363a7431512a2dc4e90e8f6b151f077ff84348bdd6c5e84e5003ae75f6e2c",
    "signature": "0x5a1f54911b9ca881f48eb4afbac187ba05c2ff3145cedc84031f5afe58e0b5c85b848e3a06416bdacc30c2a64aabf9ab3a744843e0c9aa41c831e39f6660cd811b",
    "signer": "0x2c2058A73BD944840D7B237Cbf52386B5831b70f",
    "userId": "419279596"
  }
}