{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5084",
    "entityType": "User",
    "nonce": "0x5342172eef06fbc178f09ee13cac39f6014901e1abfc969c45d3ea1c1f654011",
    "signature": "0xdb12963b94553599ca9003f4f0af32a97381f49d9a073e705c55d4be992f62447a3cfa01c49b97ee272d8f0b84d3a8a0c7ec5aff35dd75e4c3ce81a2a9bc91741c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}