{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239695",
    "entityType": "User",
    "nonce": "0xd1aa3aaab19e8a35d6edebc8edd4b48e11457f13d4108d5e14325c814746a1b7",
    "signature": "0x17d6f756a20a0149b63047ec908c19926bf905f25a3081cd461812e79b1fb2523310c946afb8083b4df82fac6a66cdf6ab08ddc1e4f45e5894c14757244f28f31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}