{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xceb6b9fddc071d8a572cc407d39971ed82dcc729b18a8cb3267948fce2982c16",
    "signature": "0x27791da59eced876f7d85a1e53114ed22940b725656679e003283f9a90fa63c178b8aed4fbbb10148fb1c66f0746bd8bc70edb309b3bba10e8046777c062bef21b",
    "signer": "0xBFEEE73d6435B6D5e30f0841683E20b284cAb427",
    "userId": "948263964"
  }
}