{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11738",
    "entityType": "User",
    "nonce": "0x19ee0420b15ce46d96e07a2a36bb69d1b1a77d3b8446f30a8159fa7632f5843f",
    "signature": "0xebc571f0f78c52d407b64f4197733542199749979796c6ff9eee59558d29d0ba26329acf961decb5cb522e02f7342fcedccb2b51854d5521f5b4f029d8cb5cb31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}