{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x32b552438c68a7c073a3139030f93e68231b4bf156230c34ceb4af4385f128b3",
    "signature": "0x7925b850f92108a7a68f8bd65559758c3536a3892bf8b568465089acb9a9212370ff324943d87e7d65fa97a96a831932cec5866da54ca7cb1397622c407461b11c",
    "signer": "0x5d38Cb184274A585dC79f62FC669Eca2c573005D",
    "userId": "867710486"
  }
}