{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12939",
    "entityType": "User",
    "nonce": "0x1af0892bcab05aa556d9cd8540ac587e48bb01331c5b3b6171aeaf863387164b",
    "signature": "0x84e1239acea07277429ea9603f189cd77f0b1743def73c6db4997b18a3ff563901ef992906a379538ced697cb9d681a8ca8c6ebdf69fa50d9158f8b0c58e43b81b",
    "signer": "0x0FcC08fd481e207B40ED717A2dd2Ef744bc1424e",
    "userId": "235085114"
  }
}