{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x50c2ceb398d558edda339c01c88979843f3a899ebe7a6603c8538e987c653bd6",
    "signature": "0xab99718357e74c3f91532d835d02c8f7c066a918fab733272a07ff186302d6c10610cbc6b9882795c6221cd5df0c31c82055e4e8e7a9a61103265abf888d791d1b",
    "signer": "0x883fa730a7cbE72C38fF2f171ef282394B714D19",
    "userId": "27346972"
  }
}