{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2810",
    "entityType": "User",
    "nonce": "0xc375d22e834e52b247c168319337895816639c9c8e7d2af073a1a727db59f06e",
    "signature": "0xd8d387dc74e6c685b066d49892f2c5f0ae88d55898a5dce63b7b8bb559506c2f185fce9a18f1859af529476754a59e781b730570d829a38b88dac71f64ff9d6a1b",
    "signer": "0xdCAf5149A8084F2C1c72dE882740656EfA9715b4",
    "userId": "994758391"
  }
}