{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3829",
    "entityType": "User",
    "nonce": "0x906f68c1a23a2e6154f49bf0b660cd76e93025684331a3f116e5d4e61aa84731",
    "signature": "0x45796cf05874da4c83da16b0e241dd56dd68330a5c44e4f5144e52ee589383d755f147c67664b25f69aeff24d94ce4e0cf3251fd5d25cc26b9da5f77aef52d111c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}