{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280823",
    "entityType": "User",
    "nonce": "0xc27716466e006042af62b7d64a6858f66490f382ae650705ef1647308fa02a4a",
    "signature": "0x0f672f2f514dc775bebd3f13b22d1e6479fd62ce330b6d32d3e92190072c340b5a6b580dea9a9837e4794ba191cedd9094bcbd6e7023ba2f2fbd767f1c60b4b81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}