{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562530159",
    "entityType": "User",
    "nonce": "0x48e267a803b5e1cc39de499699e31f3377d28e721aa62d24a8609368bbd6dc7e",
    "signature": "0x39ff47319b8925681d8b19df982e3b61e16aa5de698d6c81d6828685cae0fcc55928f5cb7a232e6e862a641d814fc001ede6747bf80fb118c57b443f250a12681b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}