{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6bac01c3b015b83be355692b94f3261047d9e0c1bca9663890d345bf0c898cf1",
    "signature": "0xfb7eb3c2f33db3ceb4ac940b467168388b74c686bb7e40691d1b7276dfdb25156f7376020efb0e38fc26145fd815da862c3fe5e26675268720ea9bd8c5e3b4141c",
    "signer": "0xD171D5277ade36c4B63de8A7f8E672e7967ec3Be",
    "userId": "295534490"
  }
}