{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0x136ca1ddb149d5168c1e009aedb8799d1a48ec0003afdbc1f7a3cc9b5866cbb4",
    "signature": "0xb89fce53fa3eeb25469c55d43084d77eadd5391df7f9265ad4ba5e8b818d095256455f9ee21654d25190464fa1716f1eb3e843dd241c39c18ce2be30aa84a62c1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}