{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326088",
    "entityType": "User",
    "nonce": "0x2b5a1ded2547f0b275cff24267b4e5e7c60cfb8a5ed8a942c96d24e994bd8dfb",
    "signature": "0x2464b5348297164130f0db6430dc63d8daaa34aea9de6e8680e5761ee17f4077450b16ac9147eb17aed9e9beaf097a33e11640b85cfc062ee10402600b117e691b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}