{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x10ef29d1c44ca1ca4d0edb3fc79a1e8b80e59b9480c1bdb25153ca6797bf3387",
    "signature": "0x87f2ca0aaf874f00c550576ea91b1c132754645075d8f965c4912d74ffc26e351661748da804ba1a3415c9c9f38774481e65a47b5b3a859b6b2513a8fb1956771c",
    "signer": "0xfF5960575b86a2c907204fB0AdF324ea6B029877",
    "userId": "908625324"
  }
}