{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16435",
    "entityType": "User",
    "nonce": "0xf143bd5d8fe5e34bc41855cf916737b1e9cb249f68804504421cbb91b4a89b68",
    "signature": "0x580ed4c924cd70224261af0681c1b82097ce91ab88c64d06d786371b703ad0394bf550276d40cd46ddb443df46cdffa2d8f0074c2b24607dafef5f05bb11705b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}