{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1318477",
    "entityType": "User",
    "nonce": "0x827f09a415ccd18a47e8af571d59f0c2ecb95f082d0663a12a4b9ccaa46b8705",
    "signature": "0xbe33b5333f3baa16eceb13fab39f46802ca31b4c80b2d2835ea42ba5fa65ddfa1997bff5db1879c2f835e11bf80f7aa5493c70c67c345d8c3263a094a29a7a601b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}