{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x0e1d8c521f87659293c6f69b814ffb4455fca0c9be667d1321d7a42aebac9522",
    "signature": "0xa6fa409e4632db8433f2193e2113899a9562c1d9e835b65496b0d0cb018dcbf5159b6f8e5a3492224371cfed33b57850689e2c0b8f952f8d3c144d39bbb5f3781b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}