{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782622982",
    "entityType": "User",
    "nonce": "0xc27c6e29366bb55935904b94beda31c2a1314b926933456fb978356c51783211",
    "signature": "0x20850b3be855c2fb35322153a3aa3835842ae8fc5ad2c331c1d2ee1a646c4705633f545053f390e7b8ef8b4333df49bbb93a08911bd677ad943d423c24e8ab2e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}