{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137076",
    "entityType": "User",
    "nonce": "0xf8b32cdf913a01923099ef79a4344273fbb1ca8810d4546ca8ef3e01a346bdaa",
    "signature": "0xeaa28a14d1a0de20aca77a6f697749529d706d4edbb6f5887a880028dfbebb646ab9a162f2f4691eef6150fe5b5fb4008129a516465db8322fa4892b0594750b1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}