{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x84c694d8b5edd6fcd6a6765df9e6760425e8749b317572e3c56b057a518d0ec7",
    "signature": "0x8a3cc3f62b8510503ce613b0d05110d497715938f110c898fbdccc6dd84fb8b93f52f8bf4d144a9b22928abed3b45e0d7e28dc15a03e32d0bb489dc6e989f3d01c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}