{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3fddb412434ec58b39a0b6747620262b8518a1d901282e5d6bdcf99311aa2431",
    "signature": "0x24d348702cdea39621a519cf74c4c190c3a887a3bd16d2bff17f72185e736b793a1ba821439c5c3fec46321d32c757c3c135a47a4ddd94a231bee53d7bd68e5c1c",
    "signer": "0x734240789ab9C452e270f896B5Ad4896c02E76a0",
    "userId": "961881085"
  }
}