{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885116",
    "entityType": "User",
    "nonce": "0xf8db1151586a29dc83916b6346f87dded9d7434821ac19699c4466bdf60174d9",
    "signature": "0xa893449af594250b86571b50d699870e05d1375989bfe1140a4cbc483f6460882d17dc06cc9d7f46f4e7c0f4e6fe7f0cc32db5cb6f995b4be41d6e129a7a60dd1c",
    "signer": "0xF1E622923dCBDeB0fca925183E9C500e78F9ce9d",
    "userId": "632120348"
  }
}